the napo saki ( pithecia napensis ) , also known as the napo monk saki , is a species of saki monkey , a type of new world monkey .

its range includes parts of eastern ecuador and northern peru .

the name is derived from the napo river in its locality .

this species was originally described by lönnberg as the subspecies pithecia monachus napensis and has been treated as a synonym of p. monachus monachus .

hershkovitz retained it under p. monachus in 1987 , but it was raised to full species status in 2014 .

napo saki

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dear goshan your comments make our staff in napo wildlife center and kichwa añangu comunity full feel of proud and energy to continue improving in our project . best regards
generally , sexual dimorphism—differences in size , color , and / or body structure between the male and female of a species—is subtle among sakis . however , in species such as the guianan saki , sexual dimorphism is distinct . guianan males have all - black , shaggy , long fur coats with a pale , yellow - orange face and black nose ; female guianans have gray - brown fur coats with white - tipped hairs and white stripes on the sides of their noses
long , coarse hair covers the saki’s body , including its bushy , tapered tail . fur color varies from black , to gray , to rust , depending on species . the hair on their body and tail piloerects ( “stands on end” ) when the monkeys perceive a threat—giving the illusion that the monkeys are bigger than their actual size . a moppy head of hair , akin to a bad toupee , sits above a fuzzy face ( the faces of some species are naked , however ) , and long hair drapes over their shoulders like a furry cape .
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i thought you might be interested in this item at urltoken title : mammal species of the world : a taxonomic and geographic reference author : don e wilson ; deeann m reeder publisher : baltimore : johns hopkins university press , ©2005 . isbn / issn : 0801882214 9780801882210 0801882389 9780801882388 0801882397 9780801882395 oclc : 57557352
wilson and reeder ' s mammal species of the world is the classic reference book on the taxonomic classification and distribution of the more than 5400 species of mammals that exist today . the third edition includes detailed information on nomenclature and , for the first time , common names . each concise entry covers type locality , distribution , synonyms , and major reference sources . the systematic arrangement of
information indicates evolutionary relationships at both the ordinal and the family level . this indispensable reference work belongs in public and academic libraries throughout the world and on the shelf of every biologist who works with mammals .
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this indispensable reference work belongs in public and academic libraries throughout the world and on the shelf of every biologist who works with mammals .
a uniquely valuable compendium of taxonomic and distributional data on the world ' s living and historically extinct mammalian species . contributors and editors alike deserve the thanks of all
mammalogists for helping to forge the nomenclatural mesh that holds our science together . * journal of mammalogy * to refer to this work as a checklist undervalues it and does not give sufficient credit to the authors and editors for their meticulous efforts in its production . a valuable reference work and a vital tool , particularly for researchers . * journal of natural history * by far the most convenient source for finding the correct scientific name of any mammal and should be on the reference shelf of libraries striving to have useful science sections . * science books and films * the editors and authors are to be congratulated for undertaking such an outstanding and authoritative work , and it should serve as a standard reference for mammalian species taxonomy for many years to come . * journal of mammalian evolution * the third edition adds to its reputation as an outstanding and authorative work . * national museum of natural history weekly update & forecast * impressive and elegant work . - - g . r . seamons * reference reviews * a must - have text for any professional mammalogist , and a useful and authoritative reference for scientists and students in other disciplines . * southeastern naturalist * a magnificent work important to anyone seriously interested in mammals . this work is essential for academic or special libraries supporting zoology or conservation and for large public libraries . * american reference books annual * as were many of our colleagues , we were waiting for this revised edition since 2003 . . . we can say that the wait was worth it . - - sergio solari and robert j . baker * journal of mammalogy *
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wilson and reeder ' s mammal species of the world is the classic reference book on the taxonomic classification and distribution of the more than 5400 species of mammals that exist today . the third edition includes detailed information on nomenclature and , for the first time , common names . each concise entry covers type locality , distribution , synonyms , and major reference sources . the systematic arrangement of information indicates evolutionary relationships at both the ordinal and the family level . this indispensable reference work belongs in public and academic libraries throughout the world and on the shelf of every biologist who works with mammals .
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no one has contributed data records for pithecia monachus napensis yet . learn how to contribute .
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new world monkeys : new world monkeys are native to central and south america , whereas old world monkeys are native to africa and asia . new world monkeys tend to be smaller than old world monkeys , typically have prehensile ( grasping ) tails , and color vision . visit primate facts for additional differences in physical characteristics between new world vs . old world primates . genus : a group of related animals or plants that includes several or many different species . disturbed habitat : a temporary change in environmental conditions that causes a pronounced change in an ecosystem . secondary forest : a forest that has regrown after a major habitat disturbance , such as fire or timber harvest ( including clear cutting of a forest ) , but has not yet reached the mature state of primary forest . . palm swamp : palm swamps are formed in low , seasonally inundated flat areas with poor drainage and are characteristic of the amazon basin . these particular swamps are dominated by a 115 - foot tall ( 35 - m ) palm tree known as the aguaje . ecosystem : a biological community of interacting organisms and their physical environment .
both males and females are equipped with distinct throat glands that they use for scent marking .
) . early wildlife biologists had mistakenly identified the distinct chest ruff of sakis as a “beard” ; however , later biologists determined that “truly bearded sakis” are a separate species .
diet sakis are mainly frugivores ; that is , they feast predominantly on fruits , which comprise 90 percent of their diet . but they are a special kind of frugivore . whereas some monkey species seek out lush , ripe fruit , sakis have a penchant for unripe fruits . they also enjoy munching on seeds , which they grind between their teeth with assistance from their powerful jaws . the remaining 10 percent of their diet consists of leaves , insects , and spiders .
sakis are called “flying monkeys” by locals because of the speed and agility the monkeys use to leap from tree to tree .
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disclaimer : itis taxonomy is based on the latest scientific consensus available , and is provided as a general reference source for interested parties . however , it is not a legal authority for statutory or regulatory purposes . while every effort has been made to provide the most reliable and up - to - date information available , ultimate legal requirements with respect to species are contained in provisions of treaties to which the united states is a party , wildlife statutes , regulations , and any applicable notices that have been published in the federal register . for further information on u . s . legal requirements with respect to protected taxa , please contact the u . s . fish and wildlife service .


fagesia is a small , subglobular ammonite ( suborder ammonitina ) belonging to the vascoceratid family of the acanthocerataceae that lived during the turonian stage of the late cretaceous , 92-88 ma ago .

the shell of fagesia is about 9.5 cm ( 3.47 in ) in diameter , typically with blunt umbilical tubercles from which spring 2 or three ribs each , but which are lost in the late growth stage .

the suture is ammonitic with long spikey lobes and saddles with rounded subelements .

fagesia

belongs to fagesia according to f . barroso - barcenilla and a . goy 2009
tree of life web project . 2000 . fagesia . version 01 january 2000 ( temporary ) .
no one has contributed data records for edwardsiella ( fagesia ) yet . learn how to contribute .
fagesia shastensis : cas 2358 . 01 , a shell . its type locality is middle fork of cottonwood creek , which is in a turonian marine siliciclastic in california .
( of edwardsiella ( fagesia ) carnea ( gosse , 1856 ) ) fautin , daphne g . ( 2013 ) . hexacorallians of the world . , available online at urltoken [ details ]
the ammonites assigned to the genera fagesia pervinquière , and neoptychites kossmat , of the wiedmann ( tübingen , germany ) and goy , carretero and meléndez ( madrid , spain ) collections obtained from the iberian trough have been revised . new mainly lower turonian specimens of the species fagesia catinus ( mantell ) , f . tevesthensis ( peron ) , f . rudra ( stoliczka ) , f . superstes ( kossmat ) , f . . . . [ show full abstract ]
the ammonites assigned to the genera fagesia pervinquière , and neoptychites kossmat , of the wiedmann ( tübingen , germany ) and goy , carretero and meléndez ( madrid , spain ) collections obtained from the iberian trough have been revised . new mainly lower turonian specimens of the species fagesia catinus ( mantell ) , f . tevesthensis ( peron ) , f . rudra ( stoliczka ) , f . superstes ( kossmat ) , f . pachydiscoides spath , and neoptychites cephalotus ( courtiller ) have also been presented . in addition we have described one new species : f . mortzestus . studies of the morphologies and the geographical and stratigraphical distributions of all these species have led to the identification of several phylogenetic relationships between them , and to distinguishing one main phase in the evolution of the family vascoceratidae douvillé , characterised by the dominance of fagesia with neoptychites .
( of fagesia carnea ( gosse , 1856 ) ) van der land , j . ; den hartog , j . h . ( 2001 ) . actiniaria , in : costello , m . j . et al . ( ed . ) ( 2001 ) . european register of marine species : a check - list of the marine species in europe and a bibliography of guides to their identification . collection patrimoines naturels , 50 : pp . 106 - 109 ( look up in imis ) [ details ]
. . . it seems to coincide with the 3 rd order depositional sequence uza - 2 . 5 ofhaq et al . ( 1988 ) and with the sequences dc - 6a and dc - 6b of floquet ( 1998 ) , ucof wrightoceras with donenriquoceras , in the pseudotissotiidae , of hoplitoides , in the coilopoceratidae , and the upper part of fagesia with neoptychites , with the species spathites ( jeanrogericeras ) obliquus , spathites ( jeanrogericeras ) reveliereanus , spathites ( jeanrogericeras ) combesi , spathites ( ingridella ) depressus , spathites ( spathites ) laevis , spathites ( spathites ) sulcatus , mammites nodosoides , fagesia superstes , neoptychites cephalotus , wrightoceras munieri , donenriquoceras forbesiceratiforme and hoplitoides ingens . in it , the taxonomic diversity is comparatively high ( 12 species ) , and among the represented forms the endemic ones stand out , such as s . ( j . ) obliquus , s . ( i . ) depressus and s . ( s . ) sulcatus ( santamaría - zabala , 1995 ; barroso - barcenilla 2007 ) , together with those which seem to have arisen by means of processes more or less marked of adaptation to the platform palaeoenvironments , such as s . ( j . ) combesi and f . superstes ( batt , 1989 ; westermann , 1996 ) . . . .
the ' plattenkalk ' of vallecillo , approximately 100 km north of monterrey in north - eastern mexico , has yielded an ammonite assemblage of both north american ( western interior ) and tethyan elements , comprising tragodesmoceras bassi morrow , quitmaniceras reaseri powell , watinoceras coloradoense ( henderson ) , pseudaspidoceras pseudonodosoides ( choffat ) , p . flexuosum powell , mammites nodosoides ( schlüter ) , vascoceras birchbyi cobban and scott , fagesia catinus ( mantell ) , f . superstes ( kossmat ) , and a few indeterminate forms . the excellent pres - ervation of the shells , for instance of apertures , stomach contents or spines joined to the body chambers of p . flexuosum , as well as the occasional presence of aptychi , indicate rapid burial shortly after death . correlation with the cenomanianeturonian boundary gssp at pueblo , colorado , indicates continuous deposition from the latest cenomanian to the early turonian at vallecillo . the index species p . flexuosum shows a diachro - nous first appearance datum between the two sections .
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parent taxon : vascoceratidae according to w . j . kennedy and a . s . gale 2016
see also barroso - barcenilla and goy 2009 , chancellor 1982 , cobban and hook 1983 , ifrim and stinnesbeck 2007 , kennedy 1994 , kennedy et al . 2008 , kennedy and simmons 1991 , kennedy et al . 1987 , meister 1989 , reyment 1954 , sepkoski 2002 and zaborski 1987
see also anderson 1958 , chancellor 1982 , faraud 1940 , ifrim and stinnesbeck 2007 , kennedy 1994 , kennedy and simmons 1991 , kennedy et al . 1987 , meister 1989 and renz 1982
average measurements ( in mm ) : shell width 97 . 5 , shell diameter 201 . 6
daly , m . ; fautin , d . ( 2018 ) . world list of actiniaria .
fautin , daphne g . ( 2013 ) . hexacorallians of the world . , available online at urltoken [ details ]
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please note : entries in the above species list are the original binomina of species according to carlgren ' s 1949 catalog . nomenclatorial inconsistencies need to be resolved in a future revision of this genus ( see below ) .
edwardsiidae with the column divisible into scapus and scapulus , the former very long and provided with an usually strong , sometimes very thick cuticle . aboral end rounded , flattened or rarely physa - like . scapus without nemathybomes and tenaculi , with nematocysts either scattered or arranged in groups . scapulus often ridged with numerous nematocysts on the ridges . tentacles 6 + 6 + 12 to about 40 , the inner longer than the outer ones . a single , ventral siphonoglyph . mesenteries as in edwardsia . retractors diffuse , fairly restricted , parietal muscles well developed . cnidom : spirocysts , basitrichs , microbasic b - and p - mastigophors .
carlgren , o . 1949 . a survey of the ptychodactiaria , corallimorpharia and actiniaria . kungl . svenska vetenskapsakadamiens handlingar , series 4 , volume 1 , number 1 .
the information provided on this page is based on oscar carlgren ' s 1949 catalog .
please note that carlgren ' s text contains a number of errors , and much of the information is now out of date . an update of the catalog is currently under preparation in daphne fautin ' s laboratory , and the results of this work will be incorporated in future versions of this page .
keyboarding of carlgren ' s catalog was done as part of a project to create an electronic database of the sea anemones of the world , funded by nsf grant deb9521819 , awarded to daphne g . fautin . this grant is in the program partnerships to enhance expertise in taxonomy ( peet ) . susanne hauswaldt , katherine pearson , and april wakefield - pagels contributed to the keyboarding effort .
each tol branch page provides a synopsis of the characteristics of a group of organisms representing a branch of the tree of life . the major distinction between a branch and a leaf of the tree of life is that each branch can be further subdivided into descendent branches , that is , subgroups representing distinct genetic lineages .
for a more detailed explanation of the different tol page types , have a look at the structure of the tree of life page .
tree of life design and icons copyright © 1995 - 2004 tree of life project . all rights reserved .
disclaimer : itis taxonomy is based on the latest scientific consensus available , and is provided as a general reference source for interested parties . however , it is not a legal authority for statutory or regulatory purposes . while every effort has been made to provide the most reliable and up - to - date information available , ultimate legal requirements with respect to species are contained in provisions of treaties to which the united states is a party , wildlife statutes , regulations , and any applicable notices that have been published in the federal register . for further information on u . s . legal requirements with respect to protected taxa , please contact the u . s . fish and wildlife service .
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van der land , j . ; den hartog , j . h . ( 2001 ) . actiniaria , in : costello , m . j . et al . ( ed . ) ( 2001 ) . european register of marine species : a check - list of the marine species in europe and a bibliography of guides to their identification . collection patrimoines naturels , 50 : pp . 106 - 109 ( look up in imis ) [ details ]
hayward , p . j . ; ryland , j . s . ( ed . ) . ( 1990 ) . the marine fauna of the british isles and north - west europe : 1 . introduction and protozoans to arthropods . clarendon press : oxford , uk . isbn 0 - 19 - 857356 - 1 . 627 pp . ( look up in imis ) [ details ]
dyntaxa . ( 2013 ) . swedish taxonomic database . accessed at urltoken [ 15 - 01 - 2013 ] . , available online at http : / / urltoken [ details ]
( of milne carnea ) fautin , daphne g . ( 2013 ) . hexacorallians of the world . , available online at urltoken [ details ]
( of milne - edwardsia carnea ( gosse , 1856 ) ) fautin , daphne g . ( 2013 ) . hexacorallians of the world . , available online at urltoken [ details ]
( of edwardsia carnea gosse , 1856 ) fautin , daphne g . ( 2013 ) . hexacorallians of the world . , available online at urltoken [ details ]
( of edwardsia microps gosse ) fautin , daphne g . ( 2013 ) . hexacorallians of the world . , available online at urltoken [ details ]
( of favesia ( milne - edwardsia ) carnea ) fautin , daphne g . ( 2013 ) . hexacorallians of the world . , available online at urltoken [ details ]
( of halcampa microps gosse , 1858 ) fautin , daphne g . ( 2013 ) . hexacorallians of the world . , available online at urltoken [ details ]
well - defined , slightly polygonal due to thickening of the body wall between the macrocnemes .
this pretty little anemone occurs in holes and crevices amongst rocks , particularly the empty , or even occupied , borings of piddocks . it is found in sheltered places out of the light , such as beneath overhangs or in caves , often forming large local populations . when exposed by the receding tide the tentacles are retracted leaving only the white or yellow tip of the introverted
visible ; thus it may prove difficult to find and is frequently overlooked , although common in some areas . it occurs from about mtl to shallow water offshore .
recorded from all coasts of britain but is most common in the south and west . elsewhere it is known from south scandinavia and north france and may extend to the mediterranean (
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. . . suture not completely preserved but preserved part consisting of narrow and denticular lobes with wide , convex , and denticular saddles ( fig . 12a5 ) . , 1907 ; robaszynski et al . , 1990 ; chancellor et al . , 1994 ; meister & abdallah , 2005 ) , jordan ( ali et al . , 2008 ) , israel ( freund & raab , 1969 ) , spain ( barroso - barcenilla goy , 2009 ) , and france ( kennedy & wright , 1979b ) . in egypt , it is known from the lower turonian of khashm el tarif , central east sinai ( ali & abdel - gawad , 2001a ) , and the eastern desert ( el qot , 2008 ) . . . .
cenomanian - turonian ammonites from eastern sinai , egypt , and their biostratigraphic significance . beringeria 42
depositional sequences and cephalopod assemblages in the upper cenomanian - lower santonian of the iberian peninsula ( spain and portugal ) .
1 , identificar las secuencias y parasecuencias deposicionales del santoniense - maastrichtiense de la cuenca ibérica . 2 , posicionar las unidades litoestratigráficas actuales respecto de las secuenci…
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the ammonite genus vascoceras choffat , 1898 ( family vascoceratidae douville , 1912 ) in the iberian tr . . .
the ammonites assigned to the genus vascoceras of the wiedmann ( universität tubingen , germany ) and goy , carretero and meléndez ( universidad complutense de madrid , spain ) collections obtained from the upper cenomanian and lower turonian of the iberian trough have been revised . subsequently , new representatives of the species vascoceras gamai , v . charoni sp . nov . , v . barcoicense , v . durandi , v . . . . [ show full abstract ]
the ammonites assigned to the family pseudotissotiidae of the wiedmann ( tübingen , germany ) and goy , carretero and meléndez ( madrid , spain ) collections obtained from the iberian trough have been revised . new , mainly lower turonian , specimens of the species pseudotissotia sp . , choffaticeras ( choffaticeras ) quaasi ( peron , 1904 ) , c . ( c . ) pavillieri ( pervinquière , 1907 ) , c . ( c . ) segne ( solger , . . . [ show full abstract ]
new ammonite successions from the upper cenomanian and lower turonian of the iberian trough are studied and compared with the assemblages obtained by other authors . as a result , the upper cenomanian eucalycoceras rowei , calycoceras ( calycoceras ) naviculare , neolobites vibrayeanus , metoicoceras mosbyense , metoicoceras geslinianum , vascoceras gamai and spathites ( jeanrogericeras ) subconciliatus , . . . [ show full abstract ]
revision and new data of the ammonite family acanthoceratidae de grossouvre , 1894 , from the lower tu . . .
the ammonites assigned to the family acanthoceratidae de grossouvre , 1894 , from the wiedmann ( tübingen , germany ) and goy , carretero and meléndez ( madrid , spain ) collections obtained from the lower turonian of the iberian trough have been revised . new specimens of the species spathites ( jeanrogericeras ) tavense ( faraud , 1940 ) , s . ( j . ) saenzi ( wiedmann , 1960 ) , s . ( j . ) postsaenzi ( wiedmann , . . . [ show full abstract ]
revision and new data on the coniacian ammonite genus hemitissotia in the iberian peninsula ( spain a . . .
the types of the species of the coniacian ammonite genus hemitissotia peron , 1897 , identified in the iberian peninsula ( spain and portugal ) , which are currently held in the wiedmann ( universität tübingen , germany ) and choffat ( instituto geológico e mineiro , portugal ) collections , have been revised and refigured . new specimens of the taxa hemitissotia ceadouroensis choffat , 1898 , . . . [ show full abstract ]
. . . peyrot et al . ( 2007 peyrot et al . ( , 2008 ) provided the first palynological studies . the palaeontological and biostratigraphical conclusions reached by barroso - barcenilla ( 2004 ) were contrasted with the results obtained from other regions by barroso - barcenilla ( 2006 ) and were presented by barroso - barcenilla ( 2007 ) , barcenilla and goy ( 2007 , 2010 ) and , who identified 29 cephalopod species and proposed a new ammonite zonation for the upper cenomanian and lower turonian succession of the iberian trough . in recent years , other relevant studies of fossil groups and geochemical isotopes similar to those analysed in the present paper have been described in other sections that are closely or broadly related to the puentedey section , such as those of lamolda ( 1977 ) , herngreen ( 1980 ) , colin et al . ( 1982 ) , lamolda et al . ( 1989 , 1997 ) , babinot and crumiè airaud ( 1990 ) , garcía - zá rraga and rodríguez - lá zaro ( 1990 ) , rodríguez - lá zaro and garcía - zá rraga ( 1992 ) , paul et al . ( 1994 ) , peryt and lamolda ( 1996 ) , fig . 1 . . . .
. . . the sequence stratigraphy of the upper cretaceous of the iberian trough was studied in detail by several authors , such as gräfe andwiedmann ( 1993wiedmann ( , 1998 ) andgräfe ( 1994gräfe ( , 1996 ) , in the outer navarro - cantabrian platform and the north - castilian sector ; andsegura et al . ( 2001 ) , gil et al . ( 1993 ) , gil ( 1994 , gil and garcía ( 1996 ) and garcíahidalgo et al . ( 2003 ) , in the central sector . among them , the works of floquet ( 1998 ) and these works , those by mallada ( 1891 , 1892 ) , karrenberg ( 1935 ) , wiedmann ( 1960 , 1964 , 1975a , 1975b , 1979 ) , mojica and wiedmann ( 1977 ) , wiedmann andkauffman ( 1978 ) , segura andwiedmann ( 1982 ) , carreteromoreno ( 1982 ) , meléndez - hevia ( 1984 ) , santamaría - zabala ( 1991 , 1995 ) , gräfe andwiedmann ( 1993 ) , martínez et al . ( 1996 ) , küchler ( 1998 ) , barroso - barcenilla ( 2004 , 2006 , 2007 ) , barrosobarcenilla and goy ( 2007 ) and barroso - barcenilla et1 . - geographic general location ( a ) and stratigraphic context of the main spanish ( b ) and portuguese ( c ) studied sections and other mentioned places . photographic views of the outcrops of puentedey ( d ) , condemios ( e ) , salmanha ( f ) and nazaré ( g ) . fig . . . .
. . . the main part of the cephalopods collected in the upper cenomanian and the lower turonian of the it ( barrosobarcenilla , 2006 , 2007 barroso - barcenilla and goy , 2007 ) and the wpcp ( callapez , 1998callapez , , 2003callapez and ferreira soares , 2001 ) do not present signs of taphonomic resedimentation or reelaboration ( sensufernández - lópez , 2000 ) , and the few that show any of these signs do not seem to have suffered notable alterations . therefore , it can be considered that all of them maintain their respective original stratigraphic positions ( callapez , 1998 ; barroso - barcenilla , 2006 ) . . . .
. . . in northern africa , the metoicoceras geslinianum zone of chancellor et al . ( 1994 ) in tunisia and lehmann and herbig ( 2009 ) in morocco are timeequivalent . furthermore , it was also recognized by barroso - barcenilla ( 2007 ) in spain . the metoicoceras geslinianum zone is one of the standard zones in the middle upper cenomanian of nw europe ( kennedy 1984 ; hancock 1991 ) and the tethyan region ( gradstein et al . 2004 ) . . . .
integrated biostratigraphy and inter - regional correlation of the cenomanian–turonian deposits of wad . . .
the cenomanian–turonian succession exposed in the wadi feiran , sinai , egypt , is composed of siliciclastic and carbonate sediments belonging to the raha ( at the base ) , abu qada and wata formations . biostratigraphically , the succession has been subdivided into five ammonite zones , which are coeval with five planktic foraminiferal zones . the foraminiferal zones are the late cenomanian hedbergella . . . [ show full abstract ]
edwardsiella carnea is translucent pale orange in colour , with white or yellow markings on the column beneath the disc . the disc may have powdering of white or yellow colour . this species may form large local populations . the tentacles are long and also translucent pale orange in colour . there can be up to 36 of them , but generally there are only 28 . the column is elongated and approximately 2 . 5 cm in length and 4 mm in diameter .
recorded from plymouth , torquay , port erin ( isle of man ) , millport ( clyde ) , tenby , and holm bay ( strangford lough ) in ireland . for other records see distribution map .
this species lives in holes and crevices and empty or possibly occupied borings of piddocks . it can be found in sheltered places that are out of the light , e . g . beneath overhangs or in caves .
the tentacles are long and there can be up to 36 but generally there are only 28 .
the column is elongated and approximately 2 . 5 cm in length and 4 mm in diameter .
howson , c . m . & picton , b . e . , 1997 . the species directory of the marine fauna and flora of the british isles and surrounding seas . belfast : ulster museum . [ ulster museum publication , no . 276 . ]
manuel , r . l . , 1988 . british anthozoa . london : academic press . [ synopses of the british fauna , no . 18 . ]
picton , b . e . & costello , m . j . , 1998 . biomar biotope viewer : a guide to marine habitats , fauna and flora of britain and ireland . [ cd - rom ] environmental sciences unit , trinity college , dublin . , urltoken
stephenson , t . a . , 1935 . the british sea anemones , vol . 2 . london : ray society .
peckett , f . 2003 . edwardsiella carnea a sea anemone . in tyler - walters h . and hiscock k . ( eds ) marine life information network : biology and sensitivity key information reviews , [ on - line ] . plymouth : marine biological association of the united kingdom . [ cited 09 - 07 - 2018 ] . available from : urltoken
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. . . each assemblage provided insight into faunal dynamics during isolated time slices of the late campanian and early maastrichtian of ne mexico . the upper cretaceous of the region turned out to be a
crossroad
between major ammonite provinces ( ifrim et al . 2004ifrim et al . , 2005ifrim et al . , 2015bstinnesbeck 2007 , 2008 ) and regarding other marine organisms ( ifrim and stinnesbeck 2007 ; vega et al . 2007 ; fuchs et al . 2010 ; giersch et al . 2011 ; . the fossils described here were discovered by el and vh northwest of botellos , a quarter of the town cerralvo , nuevo león ( textfig . . . .
. . . ammonites , planktonic foraminifers ) and with the paleogeographic reconstructions of the area ( e . g . goldhammer and johnson , 2001 ; stinnesbeck et al . , 2005 ; ifrim and stinnesbeck , 2007 ; gonzález sánchez et al . , 2007 ) . aragonitic shells of ammonites and gastropods are recrystallized to calcite . . . .
. . . by the beginning of the turonian , provincialism was still not well defined : the realms were not well expressed , rather a subdivision into smaller provinces is noticeable ( freund and raab 1969 ) . the former realms re - established rapidly with the recovery from oae 2 faunal crisis ( ifrim and stinnesbeck 2007 ; ) . central atlantic faunas differ from the rest of the tethyan realm ( compare e . g . , kawabe 2003 ; kennedy et al . 2005a ; ifrim and stinnesbeck 2007 ; nagm et al . 2010 ) , but both are mixed in brazil ( seeling and bengtson 2002 ) . . . .
. . . the former realms re - established rapidly with the recovery from oae 2 faunal crisis ( ifrim and stinnesbeck 2007 ; ) . central atlantic faunas differ from the rest of the tethyan realm ( compare e . g . , kawabe 2003 ; kennedy et al . 2005a ; ifrim and stinnesbeck 2007 ; nagm et al . 2010 ) , but both are mixed in brazil ( seeling and bengtson 2002 ) . this is the first clear expression of a new realm , the atlantic realm which is established more or less permanently from now on . . . .
. . . by the beginning of the turonian , provincialism was still not well defined : the realms were not well expressed , rather a subdivision into smaller provinces is noticeable ( freund and raab 1969 ) . the former realms re - established rapidly with the recovery from oae 2 faunal crisis ( ifrim and stinnesbeck 2007 ; ) . central atlantic faunas differ from the rest of the tethyan realm ( compare e . g . , kawabe 2003 ; kennedy et al . 2005a ; ifrim and stinnesbeck 2007 ; nagm et al . 2010 ) , but both are mixed in brazil ( seeling and bengtson 2002 ) . . . .
. . . the former realms re - established rapidly with the recovery from oae 2 faunal crisis ( ifrim and stinnesbeck 2007 ; ) . central atlantic faunas differ from the rest of the tethyan realm ( compare e . g . , kawabe 2003 ; kennedy et al . 2005a ; ifrim and stinnesbeck 2007 ; nagm et al . 2010 ) , but both are mixed in brazil ( seeling and bengtson 2002 ) . this is the first clear expression of a new realm , the atlantic realm which is established more or less permanently from now on . . . .
. . . although this distributional mode is similar to that of inoceramids , strong differences in the extinction and recovery patterns have been documented between the two groups ( harries , 1993 ) . we suggest that ammonite hatchlings dwelled in oxygenated , shallow water levels close to the surface , perhaps protected by algal mats or empty ammonite shells fl oating close to the surface , supported by the presence of small ( ~ 5 mm ) ammonite shells in the body chamber of large ammonite shells ( ifrim and stinnesbeck , 2007 ) . . . .
. . . this interpretation is consistent with the hypothesis of batt ( 1989 ) and westermann ( 1996 ) that heavily spinose morphotypes dwelled in the open water . on the other hand , morphotypes interpreted to have had a demersal , i . e . swimming but bottom - related mode of life such as heteromorphs ( scaphites - like morphotype such as worthoceras , openly coiled morphotypes such as allocrioceras , puebloites , or straight baculites , see new interpretation of this genus by kruta et al . , 2011 ) are absent at vallecillo , but present in coeval localities in texas and the western interior seaway ( see summary in ifrim and stinnesbeck , 2007 ) . our data suggest that at least the most abundant ammonite species from vallecillo completed their life cycles in the upper water layers . . . .
. . . their hatchlings dwelled in oxygenated , water levels close to the ocean surface , perhaps protected by algal mats or empty ammonite shells floating near the surface . this hypothesis is supported by the presence of small ( ca . 5 mm ) ammonite shells in the body chamber of large ammonite shells found at vallecillo ( ifrim , 2006 ; ifrim and stinnesbeck , 2007 ) . . . .
. . . therefore represents not only the first record of glyphiteuthis outside the old world , it is the first early late cretaceous gladius from the americas . the new record supports the interpretation that the gulf of mexico region was part of a tethyan province during the early late cretaceous ( ifrim and stinnesbeck 2007 , 2008 ) . . . .
. . . empty ammonoid shells were reused in various ways by other organisms . the most outstanding examples are the inhabitation of empty shells by hermit crabs ( fraaije , 2003 ) and their use as scaffoldings for cirripedes ( witter , 1996 ; ifrim and stinnesbeck , 2007 ) . in addition , shells lying on the seafloor often trapped lightweight materials , such as smaller ammonoid shells , plant remains , and pumice grains , that were swept by weak bottom currents ( = sheltered preservation ; maeda , 1987 , 1991 ; zaton and marynowski , 2006 ; olivero , 2007 ) . . . .
. . . a taxonomic description of the fossil reptiles was recently published by . regarding vallecillo invertebrates , only the taxonomy of ammonites was hitherto discussed in detail ( ifrim and stinnesbeck , 2007 ) . here we present a description of the inoceramid assemblage . . . .
. . . inoceramids are the only benthic organisms documented from vallecillo . inoceramus pictus , mytiloides hattini , m . puebloensis , m . goppelnensis , and m . kossmati are described here , whereas ammonites were recently described ( ifrim and stinnesbeck , 2007 ) . both ammonites and inoceramids allow for a biostratigraphic correlation of the vallecillo section with the gssp and the european reference section at eastbourne , uk . . . .
. . . the ammonites and inoceramid bivalves known from vallecillo , and also the planktonic foraminifers preserved in the sediment , allow for a very detailed biostratigraphic zonation of the vallecillo section ( ifrim and stinnesbeck , 2007 , in press ) , summarized infigure 2 . the base of the turonian stage is present in the lowest part of the section , giving an early turonian age to all mosasauroid fossils known from vallecillo . the assemblage of planktonic foraminifers changes over the section . . . .
. . . the mollusks are a mixed western interior– tethyan assemblage , owing to the paleogeographic position of vallecillo at the junction of the western interior seaway and the expanding atlantic ocean ( fig . 5 ) . the vallecillo area is thus considered to be part of both the western tethyan and the north american molluscan faunal provinces ( ifrim and stinnesbeck , 2007 , in press ) . all mosasauroid remains discussed here , and also three fossil turtles and the tooth of a pliosaur ( buchy et al . , 2005 ) , were found by quarrymen during extraction of rocks . . . .
it has been difficult to explain the origin of the biota southern south america . there are many models and continental configurations ; however , despite many advances in molecular phylogeny and pale…
[ more ]
cenomanian - turonian high - resolution biostratigraphy of north - eastern mexico and its correlation with . . .
thin - bedded and millimetrically laminated platy marly limestone quarried near vallecillo , north - eastern mexico , contains abundant excellently preserved marine fossils . planktic foraminifers , inoceramids , and ammonites occur throughout the 7 . 7 - m - thick section of this plattenkalk and provide a precise and detailed biostratigraphic zonation from the uppermost cenomanian to early turonian , with a . . . [ show full abstract ]
upper cretaceous ( cenomanian turonian and turonian coniacian ) open marine plattenkalkdeposits in ne . . .
in ne mexico , the cenomanian - turonian plattenkalk of vallecillo ( state of nuevo león ) and the turonian - coniacian plattenkalk of múzquiz ( state of coahuila ) yield abundant fossil vertebrates and invertebrates with an exceptional preservation of soft parts . inoceramid bivalves are the only benthic organisms in both deposits . they allow for detailed biostratigraphic subdivisions , precise dating . . . [ show full abstract ]
comment on
the oldest stratigraphic record of the late cretaceous shark ptychodus mortoni agassiz , . . .
paleobiology and paleoecology of the early turonian ( late cretaceous ) ammonite pseudaspidoceras flex . . .
during the early turonian , pseudaspidoceras flexuosum was a common ammonite in low and intermediate latitudes . at vallecillo section , northeastern mexico , 160 specimens were recovered from the section , allowing for quantitative analysis . the combination of quantitative data with sedimentology and geochemistry allow for erection of a differentiated model for the mode of life of p . flexuosum . . . . [ show full abstract ]


neptunea heros , common name : the heros neptune , is a species of sea snail , a marine gastropod mollusk in the family buccinidae , the true whelks .

neptunea heros

175 170â° 165 ^ ^ 160â° figure 65 - 7 . distribution and biomass of the whelk neptunea heros in the southeastern bering sea .
species neptunea taeniata ( g . b . sowerby ii , 1880 ) accepted as neptunea cumingii crosse , 1862
» species neptunea ( neptunea ) intersculpta ( g . b . sowerby iii , 1899 ) represented as neptunea intersculpta ( g . b . sowerby iii , 1899 )
- - - - - - - - - - - - - - - species : neptunea heros ( j . e . gray , 1850 ) - id : 1922950075
species neptunea lurida a . adams , 1863 accepted as barbitonia arthritica ( valenciennes , 1858 ) accepted as neptunea ( barbitonia ) arthritica ( valenciennes , 1858 ) represented as neptunea arthritica ( valenciennes , 1858 )
fraussen k . & terryn y . ( 2007 ) . the family buccinidae . genus neptunea . in : a conchological iconography [ directed by guido t . poppe & klaus groh ] . conchbooks , hackenheim . 159 pp . , 154 pls . note : synonymized with neptunea heros [ details ]
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neptunea lyrata 80 . 07mm beautiful rare specimen off san juan is . , washington
neptunea lyrata 99 . 57mm beautiful rare specimen off san juan is . , washington
neptunea lyrata 94 . 45mm beautiful rare specimen off san juan is . , washington
formosa / shells / neptunea polycostata 167 . 5mm . w / o . ja pan
neptunea aino w / o 221 . 0mm fully intact wrs huge monster golden aperture beauty
, d . wt ) with 95 % of the thg present as mmhg in n . heros , the highest trophic level organism in this study as determined using data for delta
species representatives : some of the more abundant large gastropods in the se bering sea are neptunea pribiloffensis , n . heros , n . ventricosa , n . lyrata , fusitriton oregonensis , pyrulofusus deformis , volutopsius fragilis , buccinum angulosum , b . scalariforme , and b . polare .
dry weight ( d . wt . ) with 33 % of the thg present as mmhg . the highest average values for thg were identified for the whelks n . heros ( 195±29 ng g
( of neptunea ( neptunea ) röding , 179 ) nakano t . , kurihara y . , miyoshi h . & higuchi s . ( 2010 ) . molecular phylogeny of neptunea ( gastropoda : buccinidae ) inferred from mitochondrial dna sequences , with description of a new species . venus . 68 ( 3 - 4 ) : 121 - 137 . [ details ]
69 - 170â° 165â° 160â° 155â° 69â° iveptunea heros chukch . sea biomass ( q / mm _ j i ^ ^ ^ bi kb h ^ ^ f ~ - - â n â¢ < 0 . 2 ^ ^ ^ ^ ^ ^ ^ 1 30 jo 40 so < â«â 0 . 2 s o < 0 , 4 0 . 4 < o < 0 6 0 . 6 â¢ ; q j l ^ ^ ^ ^ ^ l ^ ^ ^ ^ ^ ^ ^ h 1 . - j ^ ^ ^ ^ ^ 1 ^ ^ ^ ^ ^ ^ h ^ m â ^ h 68
m . ct ^ ^ hi i 1 68 ' 67 * e
0 0 = 0 p . h ^ s m 1 67â° 66 * ^ i ^ 1 1 66â° 170
165â° 160â° figure 65 - 8 . distribution and biomass of the whelk neptunea heros in the northeastern bering sea . figure 65 - 9 . distribution and biomass of the whelk neptunea heros in the southeastern chukchi sea .
macintosh , r . a . , paul , a . j . ( 1977 ) the relation of shell length to total weight , edible - meat weight , and reproductive organ weight of the gastropods neptunea heros , n . lyrata , n . pribiloffensis , and n . ventricosa of the eastern bering sea . proc , natl , shellfish assoc . , 67 : 103 - 112 .
species neptunea regula ( r . b . watson , 1882 ) accepted as pareuthria regulus ( r . b . watson , 1882 )
fujinaga , k . ( 1987 ) on the growth pattern of the neptune whelk , neptunea arthritica bernardi . bull fac fish hokkaido univ , 38 : 191 - 202 .
( of neptunea ( barbitonia ) dall , 1916 ) nakano t . , kurihara y . , miyoshi h . & higuchi s . ( 2010 ) . molecular phylogeny of neptunea ( gastropoda : buccinidae ) inferred from mitochondrial dna sequences , with description of a new species . venus . 68 ( 3 - 4 ) : 121 - 137 . [ details ]
( of neptunea ( golikovia ) habe & sato , 1973 ) nakano t . , kurihara y . , miyoshi h . & higuchi s . ( 2010 ) . molecular phylogeny of neptunea ( gastropoda : buccinidae ) inferred from mitochondrial dna sequences , with description of a new species . venus . 68 ( 3 - 4 ) : 121 - 137 . [ details ]
pearce , j . and thorson , g . ( 1967 ) the feeding and reproductive biology of the red whelk , neptunea antiqua ( l ) . ( gastropoda , prosobranchia ) . ophelia , 4 : 277 - 314 .
. . . e chukchi shelf were at background values ( o1600 ng / g ) based on a mixture of compounds that represent pyrogenic , petrogenic and biogenic sources . the distribution of aliphatic n - alkanes in surface sediments was linked to natural background and petroleum hydrocarbon sources with significant inputs of vascular plant debris from the alaskan shoreline . harvey et al . ( 2014 ) also found that concentrations of pahs in muscle tissue from the gastropod neptunea decreased in larger size specimens per unit weight whereas aliphatic n - alkanes in neptunea gastropod muscle increased in larger organisms ( fig . 3 ) . based on this study , neptunea represents a potential indicator species for monitoring changes in the loadi . . .
fraussen k . & terryn y . ( 2007 ) . the family buccinidae . genus neptunea . in : a conchological iconography [ directed by guido t . poppe & klaus groh ] . conchbooks , hackenheim . 159 pp . , 154 pls . [ details ]
ito , h . and tachizawa , s . ( 1981 ) an estimation of the density of the available stock of a sea snail , neptunea arthritica , by trap fishing . bull . hokkaido reg . fish res . lab . , 46 : 113 - 119 .
suzuki , k . , hiraishi , t . , yamamoto , k . and nashimoto , k . ( 1996 ) age determination and growth analysis based on sizefrequency histograms of whelk neptunea arthritica in shiriuchi , hokkaido . nippon suisan gakkaishi , 62 : 225 - 229 .
ito , h . ( 1982 ) distribution of a sea snail , neptunea arthritica , and its surroundings in the lagoon furen - ko . reports of the engineering research on all - round constructions of fishing grounds in the region of nemuro bay 107 - 114 . [ in japanese ]
( of costaria golikov , 1977 ) fraussen k . & terryn y . ( 2007 ) . the family buccinidae . genus neptunea . in : a conchological iconography [ directed by guido t . poppe & klaus groh ] . conchbooks , hackenheim . 159 pp . , 154 pls . [ details ]
( of fusus fornicatus ( gray , 1839 ) ) fraussen k . & terryn y . ( 2007 ) . the family buccinidae . genus neptunea . in : a conchological iconography [ directed by guido t . poppe & klaus groh ] . conchbooks , hackenheim . 159 pp . , 154 pls . [ details ]
( of chrysodomus saturus var . tabularis dall , 1919 ) fraussen k . & terryn y . ( 2007 ) . the family buccinidae . genus neptunea . in : a conchological iconography [ directed by guido t . poppe & klaus groh ] . conchbooks , hackenheim . 159 pp . , 154 pls . [ details ]
chung , e . y . , kim , s . y . , park , g . m . and yoon , j . m . ( 2006 ) germ cell differentiation and sexual maturation of the female neptunea ( barbitonia ) arthritica cumingii ( crosse , 1883 ) ( gastropoda : buccinidse ) . malacologia , 48 ( 1 - 2 ) : 65 - 76 .
. . . previous work documented concentrations of pahs and alkanes hydrocarbons from the foot muscle in 35 individuals of the neptunea whelk which had been pooled into three size classes based on shell length ( 0 - 5 , 5 - 8 , and > 8 cm ) in the southern chukchi sea ( see harvey et al . , 2014 ) . that analysis showed a diversity of pahs in muscle tissues with alkyl - substituted compounds dominating over parent species among all size classes . . . .
the age and growth of neptunea ( barbitonia ) arthritica cumingii sampled from the west sea of korea were determined from 1 , 062 operculums from october 2007 to september 2008 . age of neptunea ( barbitonia ) arthritica cumingii was determined from the rings on the operculum . the relationship between shell height ( sh ; mm ) and shell width ( sw ; mm ) was expressed by the following equation : sw = 0 . 5757 sh + 0 . 222 ( = 0 . 8723 ) , and shell height ( sh ; mm ) and total weight ( tw ; g ) was highly correlated by the equation : tw = 0 . 0002 ( = 0 . 9121 ) . the main spawning periods was estimated june to july through fatness index analysis . the relationship between shell height and ring radius of operculum in each ring group was expressed as a regression line . therefore , there is a correspondence in each ring formation . based on the monthly variations in the marginal index ( mi ) of the operculum , it is assumed that the ring of this species was formed once a year during the period of july to august . growth curves for shell height ( sh ) and total weight ( tw ) fitted to the von bertalanffy ' s equation were expressed as follows :
turgeon , d . ; quinn , j . f . ; bogan , a . e . ; coan , e . v . ; hochberg , f . g . ; lyons , w . g . ; mikkelsen , p . m . ; neves , r . j . ; roper , c . f . e . ; rosenberg , g . ; roth , b . ; scheltema , a . ; thompson , f . g . ; vecchione , m . ; williams , j . d . ( 1998 ) . common and scientific names of aquatic invertebrates from the united states and canada : mollusks . 2nd ed . american fisheries society special publication , 26 . american fisheries society : bethesda , md ( usa ) . isbn 1 - 888569 - 01 - 8 . ix , 526 + cd - rom pp . ( look up in imis ) page ( s ) : 96 [ details ]
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turgeon , d . d . , j . f . quinn , jr . , a . e . bogan , e . v . coan , f . g . hochberg , w . g . lyons , et al .
common and scientific names of aquatic invertebrates from the united states and canada : mollusks , 2nd ed .
disclaimer : itis taxonomy is based on the latest scientific consensus available , and is provided as a general reference source for interested parties . however , it is not a legal authority for statutory or regulatory purposes . while every effort has been made to provide the most reliable and up - to - date information available , ultimate legal requirements with respect to species are contained in provisions of treaties to which the united states is a party , wildlife statutes , regulations , and any applicable notices that have been published in the federal register . for further information on u . s . legal requirements with respect to protected taxa , please contact the u . s . fish and wildlife service .
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the star system calculates the number of pieces that were handled by conchology , inc . in the last 15 years :
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in : okutani , t . ( ed . ) , marine mollusks in japan . tokai university press , tokyo , 453 - 499 ( in japanese ) .
occurrence record in darwincore format ( elements of obis schema and some of dwc1 . 4 )
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fusus fornicatus normalis ( var . ) aurivillius , c . w . s . , 1885 : n atlantic
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to cite this page : myers , p . , r . espinosa , c . s . parr , t . jones , g . s . hammond , and t . a . dewey . 2018 . the animal diversity web ( online ) . accessed at https : / / animaldiversity . org .
disclaimer : the animal diversity web is an educational resource written largely by and for college students . adw doesn ' t cover all species in the world , nor does it include all the latest scientific information about organisms we describe . though we edit our accounts for accuracy , we cannot guarantee all information in those accounts . while adw staff and contributors provide references to books and websites that we believe are reputable , we cannot necessarily endorse the contents of references beyond our control .
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macginitie n . ( 1959 ) marine mollusca of point barrow , alaska . proceedings of the united states national museum 109 : 59 - 208 . [ published 18 september 1959 ] page ( s ) : 124 [ details ]
clark r . n . ( 2016 ) . notes on some little known arctic alaskan mollusks . the festivus . 48 ( 2 ) : 73 - 83 . [ details ]
röding p . f . ( 1798 ) . museum boltenianum sive catalogus cimeliorum e tribus regnis naturae quae olim collegerat joa . fried . bolten m . d . p . d . pars secunda continens conchylia sive testacea univalvia , bivalvia et multivalvia . , available online at urltoken page ( s ) : 115 [ details ]
( of chrysodomus ( sulcosipho ) dall , 1916 ) dall w . h . ( 1916 ) . prodrome of a revision of the chrysodomoid whelks of the boreal and arctic regions . proceedings of the biological society of washington . 29 : 7 - 8 . , available online at urltoken page ( s ) : 7 [ details ]
( of chrysodomus ( barbitonia ) dall , 1916 ) dall w . h . ( 1916 ) . prodrome of a revision of the chrysodomoid whelks of the boreal and arctic regions . proceedings of the biological society of washington . 29 : 7 - 8 . , available online at urltoken page ( s ) : 7 [ details ]
( of costaria golikov , 1977 ) bouchet p . & warén a . ( 1986 [
1985
] ) . mollusca gastropoda : taxonomical notes on tropical deep water buccinidae with descriptions of new taxa . in : forest , j . ( ed . ) résultats des campagnes musorstom i et ii philippines ( 1976 , 1980 ) . tome 2 . mémoires du muséum national d ' histoire naturelle . série a , zoologie . 133 : 457 - 499 . ( look up in imis ) [ details ]
( of golikovia habe & sato , 1973 ) obis indo - pacific molluscan database . , available online at urltoken [ details ]
fraussen k . & terryn y . ( 2007 ) . the family buccinidae . genus
: a conchological iconography [ directed by guido t . poppe & klaus groh ] . conchbooks , hackenheim . 159 pp . , 154 pls .
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. . . although anthropogenic emission from asia may contribute a sig - nificant part of soot - bc to the chukchi and bering shelf region , emis - sions from north america and europe ( koch and hansen , 2005 ) can also influence the soot - bc abundance in sediment in the study area . indeed , the pah ratios indicated a mixed pyrogenic , petrogenic and biogenic source to the chukchi shelf sediment ( yunker et al . , 2011 ; harvey et al . , 2014 ) . since the relative contribution of each bc source varied with time , the variability in both soot - bc content and soot - bc δ 13 c in chukchi / bering shelf sediments would depend on the intensity of each source term ( figs . 5 and 6 ) . . . .
. . . 2017 . 08 . 011 2012dunton et al . , 2014 and references therein ) . a portion of that program established inventories of important organic molecules and their possible sources including measures of aliphatic n - alkane and polycyclic aromatic hydrocarbons ( pahs ) and their toxicological impact on one fish species ( harvey et al . , 2014 ) . the combination of aliphatic alkanes and pah ' s as the two hydrocarbon classes of focus were based on their ability to trace specific sources of anthropogenic contamination ( i . e . . . .
. . . fossil fuel combustion ) and natural inputs ( i . e . oil seeps , terrestrial debris ) and to establish the baseline of toxicologic responses to the native fish b . saida . results of that work in the southern region of the chukchi sea observed low levels of pah and alkane hydrocarbons and only minor toxicological responses ( harvey et al . , 2014 ) . this study was designed to compare measures of the suite of organic molecules in surface sediments in the southern chukchi sea with the more northern hanna shoal region to document sources of hydrocarbon biomarkers across important areas of whale migration and increased benthic pelagic coupling . . . .
. . . fossil fuel vs . biomass combustion ) and natural inputs ( i . e . oil seeps , forest fires and terrestrial debris ) to marine systems ( jaward et al . , 2004 ; nizzetto et al . , 2008 ; yunker et al . , 2002ayunker et al . , , 2002b ) . although pahs represent only a small fraction ( 0 . 2e7 % ) of the total composition of crude oil , their relative persistence in the environment and potential toxicity to marine organisms warrants research into their sources and fate in marine systems ( harvey et al . , 2014 ) . . . .
. . . previous studies indicate that the alkylsubstituted pahs in sediment are likely derived from petrogenic inputs and this is clearly apparent in temperate ocean sediments in regions like the gulf of mexico ( adhikari et al . , 2015adhikari et al . , , 2016 . the dominance of alkyl - pahs in parts of the arctic / sub - arctic has also been previously reported in sediments collected from the northeastern chukchi and beaufort sea shelves ( harvey et al . , 2014 ; yunker et al . , 1996 ) . . . .
. . . the dominance of the two alkyl pahs ( 1 - mn and 2 - mn ) also support the petrogenic influence on the pahs observed in these sediments ( fig . 2 ) . the chukchi sea , for example , is estimated to contain 15 billion barrels of recoverable oil , with potential for this region to serve as a significant source of oil and natural gas in the future given that drilling rights have now been permitted ( harvey et al . , 2014 ) . pah petrogenic markers might originate in oil from naturally occurring seeps on the chukchi shelf , although this petrogenic signal might be localized and not extend to sediments in the continental shelf regions of the canada basin or central arctic ocean ( gautier et al . , 2009 ) . . . .
to provide an historic perspective on the current presence of microplastic particulates in chesapeake bay using archived sediment cores .
alkane and polycyclic aromatic hydrocarbons in sediments and benthic invertebrates of the northern c . . .
the hanna shoal region represents an important northern gateway for transport and deposition in the chukchi sea . this study determined the concentration and distribution of organic contaminants ( aliphatic hydrocarbon and polycyclic aromatic hydrocarbons , pahs ) in surface sediments from 34 sites across hanna shoal . up to 31 total pahs , including parent and alkyl homologues were detected with . . . [ show full abstract ]
bacterial hopanoids as tracers of organic carbon sources and processing across the western arctic co . . .
tracing the inputs of bacterial organic carbon to marine systems has been constrained by the lack of distinguishing geochemical tracers and limited contribution in sediments compared to other sources of organic matter . bacteriohopanepolyols ( bhps ) provide a direct means to identify bacterial inputs which also reflect potential bacterial groups and their activities in aquatic systems . we . . . [ show full abstract ]
investigating physiological , cellular and molecular effects in juvenile blue crab , callinectus sapid . . .
juvenile blue crabs , callinectus sapidus , were exposed for 31days to six different sediments collected within the pass a loutre state wildlife management area approximately 6months or 1 . 5years post - capping of the macondo - 252 well - head following the deepwater horizon ( dwh ) incident . based on forensic analysis to fingerprint for dwh oil , these sediments differed in their levels of dwh oil . . . [ show full abstract ]
p64 - mo molecular and isotopic tracers of terrigenous organic carbon delivery to the deep arctic ocea . . .
the carbon cycle in the arctic ocean is complicated by the delivery and redistribution of terrigenous material through large rivers , sea - ice , and coastal erosion . although annual inputs of the estimated 12 mt / yr of terrestrial particulate organic carbon ( poc ) ( rachold et al . , 2003 ) , are dwarfed by the 250 mt / yr poc from marine primary production ( sakshaug , 2003 ) , evidence suggests substantial . . . [ show full abstract ]
gastropod shell is important both as cover for motile ( free - living ) organisms , and attachment substrate for sessile ( attached ) organisms . the 16 species ( kessler , 1985 ) of hermit crabs in the nmfs se bering sea survey area are particularly dependant on gastropod shell . many other se bering sea invertebrates , including polychaetes , slipper shells , tunicates , hydroids , bryozoans , sponges , and anemones commonly live in and on gastropod shell . gastropod egg cases are also commonly laid on gastropod shell .
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buccinidae a large family , with a worldwide distribution . most of the larger species live near the arctic . their rough shells , often with a heavy periostracum are appealing because they remind the collector of the cold atmosphere of very northern beaches . their data reminisce of the time of the great discoveries : barentz sea bering strait , spitzbergen , nova zembla , are all romantic names linked to great ships and explorers such as the victoria and perry . nowadays buccinidae are more collected than ever . warm water species may have beautiful colours and are usually smaller than their northern relatives . especially the genera siphonalia and babylonia are a pleasure to collect and to build up a complete set . about 800 species .
© 1996 - 2018 guido t . poppe & philippe poppe - conchology , inc . ( 0 . 362 seconds . )
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fox , austin l . ; hughes , emily a . ; trocine , robert p . ; trefry , john h . ; schonberg , susan v . ; mctigue , nathan d . ; lasorsa , brenda k . ; konar , brenda ; cooper , lee w .
deep - sea research part ii , volume 102 , p . 56 - 67 .
) averaged ( ±standard deviation ) 2 . 8±1 . 4 pm in the necs , ~ 2 times greater than values of 1 . 5±0 . 5 pm for the bering strait . overall , consistently lower concentrations of thg
were found at depths with markedly higher concentrations of chlorophyll a . concentrations of total hg ( thg ) in sediments from the necs averaged 31±10 ng g
, correlated well with silt + clay , al and toc , and showed a long - term record consistent with the natural , background environment . very localized occurrences of sediment with elevated thg concentrations were identified near two exploratory drilling sites where drilling mud and formation cuttings were discharged in 1989 . concentrations of sediment monomethylmercury ( mmhg ) averaged 0 . 15±0 . 07 ng g
and accounted for only 0 . 43±0 . 17 % of the sediment thg . the lowest average value ( ± standard error ) for thg in biota was found for a . borealis at 44±4 ng g
n . biomagnification of mmhg was observed in this benthic food web with the following relationship : log [ mmhg ] = 0 . 19 [ delta
image from page 526 of
the eastern bering sea shelf : oceanography and resources / edited by donald w . hood and john a . calder
( 1981 )
title : the eastern bering sea shelf : oceanography and resources / edited by donald w . hood and john a . calder
authors : hood , d . w . ( donald wilbur ) , 1918 - ; calder , john a ; united states . office of marine pollution assessment ; united states . bureau of land management
publisher : [ rockville , md . ? ] : u . s . dept . of commerce , national oceanic and atmospheric administration , office of marine pollution assessment ; seattle , wash . : distributed by the university of washington press
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amio , m . ( 1963 ) a comparative embryology of marine gastropods , with ecological emphasis . j . shimonoseki coll . fish . , 12 : 229 - 253 .
bertalanffy , l . von ( 1938 ) a quantitative theory of organic growth ( inquiries on growth laws , ii ) . human biology , 10 ( 2 ) : 181 - 213 .
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choe , b . l . , park , m . s . , jeon , l . g . , park , s . r . and kim , h . t . ( 1999 ) commercial molluscs from the freshwater and continental shelf in korea . national fisheries research and development institute . pusan . pp . 80 .
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hong , s . y . ( 2006 ) marine invertbrates in korean coastes . academy publishing company , inc . , seoul . pp . 191 .
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kwon , o . k . , park , g . m . and lee , s . u . ( 1993 ) colored shells of korea . academy publishing company , seoul , pp . 285 .
weatherley , a . h . and gill , h . s . ( 1987 ) the biology of fish growth . academmic press inc . , london , pp . 443 .
yoo , j . s . ( 1976 ) korean shells in colour . iljisa , seoul , pp . 78 . [ in korean ]
zhang , c . i . ( 1991 ) fisheries resources ecology . woosung publishing company , seoul . pp . 199 . [ in korean ]