page_title: List of the Paleozoic life of New York (state)
section_title: A
hierarchical_section_title: List of the Paleozoic life of New York (state) / A
caption_attribution_description: English: Scanning electron microscope (SEM) photomicrographs of some representative conodont elements from the Gasconade, Roubidoux, and Jefferson City formations in southeastern Missouri. Illustrated specimens are reposited in the type collections of the Paleobiology Department, U.S. National Museum (USNM), Washington, D.C. 20560. A_B, Juanognathus? felicitii (Ji and Barnes); posterolateral views of two specimens from sample RC-149 at Roubidoux Creek section, X 85, USNM 498496 and 498497. C, Drepanodus sp., inner lateral view of drepanodontiform element, from sample RC-149, Roubidoux Creek section, X 85, USNM 498498. D_E, Colaptoconus quadraplicatus (Branson and Mehl); posterolateral (D) and lateral (E) views of triplicatiform and quadraplicatiform elements, respectively; D, from sample JF-H, Jacks Fork section, X 110, USNM 498499; E, from sample JC-J, lower part of Jefferson City Dolomite at Jim's Creek section, X 64, USNM 498500. F, cf. Colaptoconus quadraplicatus (Branson and Mehl); shallowly grooved specimen, from sample JF-J at Jacks Fork section, X 90, USNM 498501. G, Ulrichodina deflexa Furnish; posterolateral view of immature(?) specimen from lower part of Jefferson City Dolomite at Jim's Creek section, sample JC-J, X 110, USNM 498502. H, Paroistodus? sp.; inner lateral view of scandodontiform element, same sample and location as G, X 110, USNM 498503. I_L, Histiodella donnae Repetski; posterior views of blade-like elements (I, K, L) and inner lateral view of coniform element (J), from samples JF-H (K) and JF-J (I, K, L) at Jacks Fork section, I and J -X 90, K -X 170, L -X 110, USNM 498504_507. M. Laurentoscandodus? n. sp.; inner posterolateral view of short-based element, from sample JF-J at Jacks Fork section, X 70, USNM 498508. N, Drepanoistodus sp.; inner lateral view of drepanodontiform element, from sample JF-J at Jacks Fork section, X 90, USNM 498509. O, Juanognathus? n. sp.; posterior view of nearly symmetrical element, from sample JF-J at Jacks Fork section, X 90, USNM 498510. P_Q, Striatodontus? prolificus Ji and Barnes; posterolateral views, P from sample JF-J at Jacks Fork section, X 90; Q from upper part of Gasconade Dolomite (sample RC-02) at Roubidoux Creek section, X 95, USNM 498511 and 498512. R_S, Oneotodus aff. O. simplex (Furnish); posterior and lateral views of two specimens from lower part of upper Gasconade Dol. at Phillips Quarry, Bartlett 7-1/2 minute quadrangle, Shannon Co., MO, X 65, USNM 498513 and 498514. T, Chosonodina herfurthi Müller; posterior view of specimen from upper part of middle Gasconade Dol. at Phillips Quarry, X 75, USNM 498515. U, Rossodus manitouensis Repetski and Ethington; inner lateral view of coniform element; same sample as T, X 50, USNM 498516. V, Loxodus bransoni Furnish; inner lateral view; specimen broke during preparation; from upper part of middle Gasconade Dol. at a section near Rolla, MO, X 45, USNM 498517. W, Acanthodus uncinatus Furnish; lateral view of non-serrate suberectiform element, from same sample as T, X 50, USNM 498518. X, Variabiloconus bassleri (Furnish); inner lateral view, X 60, same sample as T, USNM 498519. Y, Oneotodus simplex (Furnish); lateral view, X 75, USNM 498520. Z, Scolopodus sulcatus Furnish; inner lateral view of scandodontiform element, X 75, same sample as T, USNM 498521
context_page_description: This list of the Paleozoic life of New York contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of New York and are between 541 and 252.17 million years of age.
context_section_description: †Acanthoclema
  †Acanthoclema aspera
  †Acanthoclema asperum
  †Acanthoclymenia
  †Acanthoclymenia genundewa
  †Acanthoclymenia neapolitana
  †Acanthocrinus
  †Acanthocrinus spinosus
   †Acanthodus
  †Acanthodus uncinatus
  †Acanthoparypha – tentative report
  †Acanthoscapha
  †Achatella
  †Achatella achates
  †Acheilops
  †Acheilops masonensis
  †Acidiphorus
  †Acidiphorus whittingtoni
   †Acidiscus
  †Acimetopus
  †Acinophyllum
  †Acinopteria
  †Aclistocrinus
  †Aclistocrinus capistratus
  †Acodus
  †Acodus similaris
  †Acrogenia
  †Acrospirifer
  †Acrospirifer duodenaria
  †Acrospirifer macrothyris
  †Acrothele
  †Acrotreta
  †Actinoceras
  †Actinoceras ruedemanni
  †Actinoceras ruedemonni
  †Actinoceras vertebratum
  †Actinodesma
  †Actinodesma erectum
  †Actinophyllum
  †Actinopterella
  †Actinopteria
  †Actinopteria boydi
  †Actinopteria boydii
  †Actinopteria decussata
  †Actinopteria muricatus
  †Actinopteria recumbant
  †Actinopteria subdessucata
  †Actinostromella
  †Actinostromella vaiverensis
  †Actinoxylon
  †Actinoxylon banksii
  †Aculeatarbus – type locality for genus
  †Aculeatarbus depressus – type locality for species
    †Acutiramus
  †Acutiramus floweri – type locality for species
  †Acutiramus macrophthalmus
  †Adelphobolbina
  †Adelphobolbina medialis – type locality for species
  †Aechmina
  †Aechminaria – tentative report
  †Aesopomum
  †Aglaeoglypta
  †Aglaeoglypta koeneni
  †Aglaeoglypta maera
  †Aglaoglypta
  †Aglaoglypta koeneni – type locality for species
  †Aglaoglypta maera
  †Agoniatites
  †Agoniatites discoideus
  †Agoniatites expansus
  †Agoniatites nodiferus
   †Agraulos
  †Agraulos saratogensis
  †Aknisophyllum – type locality for genus
  †Aknisophyllum consuitum – type locality for species
  †Alaionema
  †Alaionema crenulatum
  †Alanella
  †Allanella
  †Allanella tullia
  †Allanella tullius
  †Allenella
  †Allenella tullia
  †Allenella tullius
  †Alleynia
  †Alleynia americana
  †Allotrioceras
  †Allotrioceras bifurcatum
  †Allumettoceras
  †Allumettoceras giganteum
  †Ambocoelia
  †Ambocoelia gregaria
  †Ambocoelia praeumbonata
  †Ambocoelia umbonata
  †Ambonychia
  †Ambonychia praecursa
  †Ambonychiopsis
  †Ambonychiopsis curvata
  †Amorphognathus
  †Amorphognathus tvaerensis
  †Amphicoelia
  †Amphicoelia orbiculoides
  †Amphicoelia ordiculoides
  †Amphidoxodendron
  †Amphidoxodendron dichotomum
  †Amphigenia
  †Amphigenia curta
  †Amphigenia elongata
  †Amphilicas
  †Amphilicas cornutus
  †Amphilichas
  †Amphilichas minganensis
  †Amphiocoelia
  †Amphissella
  †Amphissella papillosa – type locality for species
  †Amphistrophia
  †Amphistrophia striata
  †Amphizona
  †Amphizona asceta
  †Amplexiphyllum
  †Amplexiphyllum hamiltoniae
  †Amplexograptus
   †Amplexopora
  †Amplexopora minnesotensis
  †Amplexopora winchelli
  †Amplexus
  †Amplexus hamiltoniae
  †Analox
  †Anamesocrinus
  †Anamesocrinus lutheri
  †Anamesocrinus spinobrachiatus – type locality for species
  †Anastrophia
  †Anastrophia brevirostris
  †Anastrophia interplicata
  †Anastrophia verneuili
  †Anazyga
  †Anazyga recurvirostra
  †Anchiopsis
  †Anchiopsis anchiops
  †Ancillotoechia
  †Ancillotoechia obtusiplicata
  †Ancistrorhyncha
  †Ancyrocrinus
  †Ancyrocrinus bulbosus
  †Aneurophyton
  †Aneurophyton germanicum
  †Aneurophyton hallii
  †Aneurophyton rachides
  †Aneurospora
  †Aneurospora heterodontus – or unidentified comparable form
  †Aneurospora semizonalis
  †Anisotechnophorus
  †Anisotechnophorus nuculitiformis – type locality for species
  †Annoceras
  †Annoceras costatum
  †Annoceras multicameratum
  †Anomalocystites
  †Anomalocystites coronatus
  †Anoplia
  †Anoplia nucleata
  †Anoplotheca
  †Anostylostroma
  †Anrangeroceras
  †Anrangeroceras repens
  †Anrangeroceras whitehallense
  †Antholites
  †Aorocrinus
  †Aorocrinus formosus
  †Aparchites
  †Aparchites minutissimus
   †Aphetoceras
  †Aphetoceras attenuatum
  †Aphetoceras farnsworthi
  †Aphetoceras ruedemanni
  †Aphyllopteris
  †Aphyllopteris delwarensis
  †Aphyllum
  †Aphyllum fascicularium
  †Apianurus
  †Apianurus narrawayi
  †Apiculiretusispora
  †Apiculiretusispora brandtii
  †Apiocystites
  †Apiocystites elegans
  †Apsidognathus
  †Apsidognathus tuberculatus
  †Arachnoxylon
  †Arachnoxylon kopfi
  †Archaeacarus – type locality for genus
  †Archaeacarus dubinini – type locality for species
     †Archaeopteris
  †Archaeopteris halliana
  †Archaeopteris hibernica
  †Archaeopteris macilenta
  †Archaeopteris obtusa
  †Archaeopteris 
caption: Fossilized teeth (W) of the Cambrian–Early Ordovician conodont Acanthodus
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