Crangonyctidae

* 8 slekter (1 utdødd)
* 221 arter (3 utdødde)

**Crangonyctidae** er en av de 4 familiene i overfamilien Crangonyctoidea som inngår i infraorden Gammarida - innenfor Senticaudata-gruppen av amfipoder. Gruppens arter lever som bentiske bunndyr og kjennes fra Gammaridea-arter på avvikende morfologi i halepartiet. 

Denne gruppens arter lever alle i ferskvann. Gruppen har 8 slekter (hvorav en av disse utdødd) og 221 arter (hvorav tre er utdødde).

## Gruppens taksonomi
En moderne oppdatering av systematikken gis nedenfor i lys av 2013-revisjonen av storkrepsenes taksonomi, med basis i *WoRMS*-databasen.

* **Rekke: KREPSDYR (Crustacea)** - 67&nbsp;000 arter
** KLASSE storkreps (Malacostraca) - +25&nbsp;000 arter Latreille, 1802
*** Underklasse Eumalacostraca Grobben, 1892
**** Overorden Peracarida Calman, 1904
***** Orden amfipoder (Amphipoda) - 9&nbsp;725 arter, 1&nbsp;900 i ferskvann Latreille, 1816
****** Underorden Senticaudata - 22 overfamilier, 95 familier Lowry & Myers, 2013
******* Infraorden Gammarida
******** Parvorden Crangonyctidira Bousfield, 1973
********* Overfamilie Crangonyctoidea  Bousfield, 1973
********** Familie Crangonyctidae  Bousfield, 1973
*********** *Slekt [[Armurocrangonyx]]* Sidorov & Holsinger, 2007
************ *[[Armurocrangonyx arsenjevi]]* (Dershavin, 1927) 
*********** *Slekt [[Bactrurus]]* Hay, 1902
************ *[[Bactrurus angulus]]* Koenemann & Holsinger, 2001
************ *[[Bactrurus brachycaudus ]]*Hubricht & Mackin, 1940
************ *[[Bactrurus cellulanus]]* Koenemann & Holsinger, 2001
************ *[[ Bactrurus hubrichti]]* Shoemaker, 1945
************ *[[Bactrurus macronatus]]* (Forbes, 1876) 
************ *[[Bactrurus pseudomucronatus]]* Koenemann & Holsinger, 2000
************ *[[Bactrurus speleopolis]]* Holsinger, Sawicki & Graening, 2006
************ *[[Bactrurus wilsoni]]* Koenemann & Holsinger, 2001
*********** *Slekt [[Crangonyx]]* Bate, 1859
************ *[[Crangonyx aberrans]]* S.I. Smith, 1983
************ *[[Crangonyx acicularis]]* Zhang & Holsinger, 2003
************ *[[Crangonyx africanus]]* Missouli, 2006
************ *[[Crangonyx aka]]* Zhang & Holsinger, 2003
************ *[[ Crangonyx alpinus]]* Bousfield, 1983
************ *[[ Crangonyx anomalus]]* Hubricht, 1943
************ *[[ Crangonyx antennatus]]* Cope & Packard, 1881
************ *[[ Crangonyx arsenjevi]]* (Derzjavin, 1927) 
************ *[[ Crangonyx baculispina]]* Zhang & Holsinger, 2003
************ *[[Crangonyx barri]]* Zhang & Holsinger, 2003
************ *[[Crangonyx bousfieldi]]* Zhang & Holsinger, 2003
************ *[[Crangonyx caecus]]* Zhang & Holsinger, 2003
************ *[[Crangonyx castellanum]]* Zhang & Holsinger, 2003
************ *[[ Crangonyx chlebnikowi]]* Borutzky, 1928
************ *[[Crangonyx consimilis]]* Zhang & Holsinger, 2003
************ *[[ Crangonyx cooperi]]* Zhang & Holsinger, 2003
************ *[[Crangonyx cornutus]]* Zhang & Holsinger, 2003
************ *[[Crangonyx dearolfi]]* Shoemaker, 1942
************ *[[Crangonyx disjunctus]]* Zhang & Holsinger, 2003
************ *[[Crangonyx ermannii]]* (Milne Edwards, 1840) 
************ *[[ Crangonyx floridanus]]* Bousfield, 1963
************ *[[ Crangonyx fontinalis]]* Zhang & Holsinger, 2003
************ *[[ Crangonyx forbesi]]* (Hubricht & Mackin, 1940) 
************ *[[ Crangonyx gracilis]]* S.I. Smith, 1871
************ *[[ Crangonyx grandimanus]]* Bousfield, 1963
************ *[[ Crangonyx hobbsi]]* Shoemaker in Ellis, 1941
************ *[[ Crangonyx hubrichti]]* Zhang & Holsinger, 2003
************ *[[ Crangonyx indianensis]]* Zhang & Holsinger, 2003
************ *[[ Crangonyx insolitus]]* Zhang & Holsinger, 2003
************ *[[Crangonyx islandicus]]* Svavarsson & Kristjánsson, 2006
************ *[[Crangonyx lewisi]]* Zhang & Holsinger, 2003
************ *[[Crangonyx longicarpus]]* Zhang & Holsinger, 2003
************ *[[Crangonyx longidactylus]]* Zhang & Holsinger, 2003
************ *[[Crangonyx minor]]* Bousfield, 1958
************ *[[Crangonyx montanus]]* Zhang & Holsinger, 2003
************ *[[Crangonyx obliquus]]* (Hubricht & Mackin, 1940) 
************ *[[ Crangonyx occidentalis]]* Hubricht & Harrison, 1941
************ *[[Crangonyx ohioensis]]* Zhang & Holsinger, 2003
************ *[[Crangonyx orientalis]]* Zhang & Holsinger, 2003
************ *[[ Crangonyx packardi]]* S.I. Smith, 1888
************ *[[Crangonyx palustris]]* Zhang & Holsinger, 2003
************ *[[ Crangonyx paxi]]* Schellenberg, 1942
************ *[[ Crangonyx pseudogracilis]]* Bousfield, 1958
************ *[[Crangonyx richmondensis]]* Ellis, 1941
************ *[[Crangonyx rivularis]]* Bousfield, 1958
************ *[[ Crangonyx serratus]]* (Embody, 1910) 
************ *[[ Crangonyx setodactylus]]* Bousfield, 1958
************ *[[Crangonyx shoemakeri]]* Hubricht & Mackin, 1940
************ *[[ Crangonyx specus]]* Zhang & Holsinger, 2003
************ *[[ Crangonyx stagnicolous]]* Zhang & Holsinger, 2003
************ *[[Crangonyx subterraneus]]* Bate, 1859
************ *[[Crangonyx ambulans]]* = *[[Stygobromus ambulans]]* (F. Müller, 1846)
************ *[[ Crangonyx bifurca]]* (O.P.Hay, 1882)  = *[[Stygobromus bifurca]]* (O.P. Hay, 1882) 
************ *[[ Crangonyx compactus]]* Chilton, 1882 = *[[Paracrangonyx compactus]]* (Chilton, 1882) 
************ *[[Crangonyx macronatus]]* Forbes, 1876 = *[[Bactrurus macronatus]]* (Forbes, 1876) 
************ *[[Crangonyx recurvus ]]* (Grube, 1864)  = *[[Stygobromus ambulans]]* (F. Müller, 1846) 
*********** *Slekt [[Lyurella]]* Dershavin, 1939
************ *[[Lyurella hyrcana]]* Derzhavin, 1939
*********** *Slekt [[Pachypodacrangonyx]]* Boutin & Coineau, 1987
************ *[[Pachypodacrangonyx maroccanus]]’’<small> Boutin & Coineau, 1987</small>
*********** *Slekt † Palaeogammarus*<small> Zaddach, 1864</small> - rav fra Baltikum
************ * † Palaeogammarus balticus*<small> Lucks, 1928 </small>
************ * † Palaeogammarus danicus*<small> Just, 1974 </small>
************ * † Palaeogammarus polonicus*<small> Jazdzewski & Kulicka, 2002 </small>
************ *† Palaeogammarus sambiensis*<small> Zaddach, 1864 </small>
*********** *Slekt Stygobromus*<small> Cope, 1872</small> = ‘’[[Synurella]]’’ <small>Wrzesniowski, 1877</small>
************ *Stygobromus abditus*<small> Holsinger, 1978</small>
************ *Stygobromus ackerlyi*<small> Holsinger, 1978</small>
************ *Stygobromus alabamensis*<small> (Stout, 1911) </small>
************ *Stygobromus allegheniensis*<small> (Holsinger, 1967) </small>
************ *Stygobromus ambulans*<small> (F. Müller, 1846) </small>
************ *Stygobromus anastasiae*<small> Sidorov, Holsinger & Takhteev, 2010</small>
************ *Stygobromus apscheronia*<small> (Derzhavin, 1945) </small>
************ *Stygobromus araeus*<small> (Holsinger, 1969) </small>
************ *Stygobromus arizonensis*<small> Holsinger, 1974</small>
************ *Stygobromus balconies*<small> (Hubricht, 1943) </small>
************ *Stygobromus baroodyi*<small> Holsinger, 1978</small>
************ *Stygobromus barri*<small> (Holsinger, 1967) </small>
************ *Stygobromus barryi*<small> Holsinger, 1978</small>
************ *Stygobromus behningi*<small> (Birstein, 1948) </small>
************ *Stygobromus bifurca*<small> (O.P. Hay, 1882) </small>
************ *Stygobromus biggersi*<small> Holsinger, 1978</small>
************ *Stygobromus blinni*<small> Wang & Holsinger, 2001</small>
************ *Stygobromus borealis*<small> Holsinger, 1978</small>
************ *Stygobromus boultoni*<small> Wang & Holsinger, 2001</small>
************ *Stygobromus bowmani*<small> (Holsinger, 1967) </small>
************ *Stygobromus caecilius*<small>Holsinger, 2011</small>
************ *Stygobromus canadensis*<small> Holsinger, 1980</small>
************ *Stygobromus carolinensis*<small> Holsinger, 1978</small>
************ *Stygobromus chamberlaini*<small> Ellis, 1941</small>
************ *Stygobromus cherylae*<small> Wang & Holsinger, 2001</small>
************ *Stygobromus clantoni*<small> (Creaser, 1934) </small>
************ *Stygobromus coeca*<small> (Dobreanu & Manolache, 1951) </small>
************ *Stygobromus coloradensis*<small> Ward, 1977</small>
************ *Stygobromus conradi*<small> (Holsinger, 1967) </small>
************ *Stygobromus cooperi*<small> (Holsinger, 1967) </small>
************ *Stygobromus cowani*<small> Wang & Holsinger, 2001</small>
************ *Stygobromus culveri*<small>Holsinger, 1978</small>
************ *Stygobromus cumberlandus*<small> Holsinger, 1978</small>
************ *Stygobromus curroae*<small> Wang & Holsinger, 2001</small>
************ *Stygobromus dejectus*<small> (Holsinger, 1967) </small>
************ *Stygobromus dentata*<small> (Hubricht, 1943) </small>
************ *Stygobromus dershavini*<small> (Behning, 1928) </small>
************ *Stygobromus dicksoni*<small> Holsinger, 1978</small>
************ *Stygobromus donensis*<small> (Martynov, 1919) </small>
************ *Stygobromus duplus*<small> Wang & Holsinger, 2001</small>
************ *Stygobromus elatus*<small> (Holsinger, 1967) </small>
************ *Stygobromus elliotti*<small> Holsinger, 1974</small>
************ *Stygobromus emarginatus*<small> (Hubricht, 1943) </small>
************ *Stygobromus ephemerus*<small> (Holsinger, 1969) </small>
************ *Stygobromus estesi*<small>Holsinger, 1978</small>
************ *Stygobromus exilis*<small>Hubricht, 1943</small>
************ *Stygobromus fecundus*<small> Holsinger, 1978</small>
************ *Stygobromus felleri*<small>Holsinger, 2011</small>
************ *Stygobromus fergusoni*<small> Holsinger, 1978</small>
************ *Stygobromus finleyi*<small>Holsinger, 1978</small>
************ *Stygobromus flagellatus*<small> (Benedict, 1896) </small>
************ *Stygobromus foliatus*<small> Holsinger, 2011</small>
************ *Stygobromus fontinalis*<small> Wang & Holsinger, 2001</small>
************ *Stygobromus franzi*<small>Holsinger, 1978</small>
************ *Stygobromus gallawayae*<small> Wang & Holsinger, 2001</small>
************ *Stygobromus glacialis*<small> Wang & Holsinger, 2001</small>
************ *Stygobromus gracilipes*<small> (Holsinger, 1969) </small>
************ *Stygobromus gradyi*<small>Holsinger, 1974</small>
************ *Stygobromus grahami*<small>Holsinger, 1974</small>
************ *Stygobromus grandis*<small> Holsinger, 1978</small>
************ *Stygobromus hadenoecus*<small> (Holsinger, 1966) </small>
************ *Stygobromus harai*<small> Holsinger, 1974</small>
************ *Stygobromus hayi*<small> (Hubricht & Mackin, 1940) </small>
************ *Stygobromus herbsti*<small>Wang & Holsinger, 2001</small>
************ *Stygobromus heteropodus*<small> Hubricht, 1943</small>
************ *Stygobromus hoffmani*<small>Holsinger, 1978</small>
************ *Stygobromus holsingeri*<small>Ward, 1977</small>
************ *Stygobromus hubbardi*<small>Holsinger, 2009</small>
************ *Stygobromus hubbsi*<small>Shoemaker, 1942</small>
************ *Stygobromus hyporheicus*<small> Wang & Holsinger, 2001</small>
************ *Stygobromus hyrcana*<small> (Dershavin, 1939) </small>
************ *Stygobromus idahoensis*<small>Wang & Holsinger, 2001</small>
************ *Stygobromus imperialis*<small> Wang & Holsinger, 2001</small>
************ *Stygobromus indentatus*<small> (Holsinger, 1967) </small>
************ *Stygobromus inexpectatus*<small>Holsinger, 1978</small>
************ *Stygobromus interitus*<small>Holsinger, 1978</small>
************ *Stygobromus intermedia*<small> (Dobreanu, Manolache & Puscariu, 1952) </small>
************ *Stygobromus interstitialis*<small> Wang & Holsinger, 2001</small>
************ *Stygobromus iowae*<small> Hubricht, 1943</small>
************ *Stygobromus jakutana*<small> (Martynov, 1931) </small>
************ *Stygobromus jemezensis*<small> Wang & Holsinger, 2001</small>
************ *Stygobromus johanseni*<small> (Shoemaker, 1920) </small>
************ *Stygobromus kazakhstanica*<small> Kulkina, 1990</small>
************ *Stygobromus kenki*<small>Holsinger, 1978</small>
************ *Stygobromus lacicolus*<small> Holsinger, 1974</small>
************ *Stygobromus lanensis*<small> Wang & Holsinger, 2001</small>
************ *Stygobromus latus*<small> Wang & Holsinger, 2001</small>
************ *Stygobromus leensis*<small> Holsinger, 1978</small>
************ *Stygobromus lepida*<small> (Mateus & Mateus, 1991) </small>
************ *Stygobromus levanidovae*<small> (G. Karaman, 1991) </small>
************ *Stygobromus limbus*<small>Wang & Holsinger, 2001</small>
************ *Stygobromus longidactylus*<small> (S. Karaman, 1929) </small>
************ *Stygobromus longipes*<small> (Holsinger, 1966) </small>
************ *Stygobromus lucifugus*<small> (Hay, 1882) </small>
************ *Stygobromus mackenziei*<small>Holsinger, 1974</small>
************ *Stygobromus mackini*<small> Hubricht, 1943</small>
************ *Stygobromus mausi*<small>Holsinger, 2009</small>
************ *Stygobromus meschtscherica*<small> (Borutsky, 1929) </small>
************ *Stygobromus mikhaili*<small> Sidorov, Holsinger & Takhteev, 2010</small>
************ *Stygobromus minutus*<small> Holsinger, 1978</small>
************ *Stygobromus montanensis*<small> Holsinger, 1974</small>
************ *Stygobromus montanus*<small> (Holsinger, 1967) </small>
************ *Stygobromus morrisoni*<small> (Holsinger, 1967) </small>
************ *Stygobromus mundus*<small> (Holsinger, 1967) </small>
************ *Stygobromus myersae*<small> Wang & Holsinger, 2001</small>
************ *Stygobromus mysticus*<small> Holsinger, 1974</small>
************ *Stygobromus nanus*<small> Holsinger, 1978</small>
************ *Stygobromus nortoni*<small> (Holsinger, 1969) </small>
************ *Stygobromus obrutu*<small>s Holsinger, 1978</small>
************ *Stygobromus obscurus*<small> Holsinger, 1974</small>
************ *Stygobromus onondagaensis*<small> (Hubricht & Mackin, 1940) </small>
************ *Stygobromus oregonensis*<small> Holsinger, 1974</small>
************ *Stygobromus osellai*<small> (Ruffo, 1974) </small>
************ *Stygobromus ozarkensis*<small> (Holsinger, 1967) </small>
************ *Stygobromus parvus*<small> (Holsinger, 1969) </small>
************ *Stygobromus paxillus*<small> Holsinger, 2011</small>
************ *Stygobromus pecki*<small> (Holsinger, 1967) </small>
************ *Stygobromus pennaki*<small> Ward, 1977</small>
************ *Stygobromus philareti*<small> (Birstein, 1948) </small>
************ *Stygobromus phreaticus*<small>Holsinger, 1978</small>
************ *Stygobromus pizzinii*<small> (Shoemaker, 1938) </small>
************ *Stygobromus pollostus*<small> Holsinger, 1978</small>
************ *Stygobromus pseudospinosus*<small> Holsinger, 1978</small>
************ *Stygobromus pusillus*<small> (Martynov, 1930) </small>
************ *Stygobromus putealis*<small> (Holmes, 1909) </small>
************ *Stygobromus puteanus*<small> Holsinger, 1974</small>
************ *Stygobromus quatsinensis*<small> Holsinger & Shaw, 1987</small>
************ *Stygobromus rallus*<small> Wang & Holsinger, 2001</small>
************ *Stygobromus redactus*<small> Holsinger, 1978</small>
************ *Stygobromus reddelli*<small> (Holsinger, 1966) </small>
************ *Stygobromus rudolphi*<small> Wang & Holsinger, 2001</small>
************ *Stygobromus russelli*<small> (Holsinger, 1967) </small>
************ *Stygobromus saltuaris*<small> Wang & Holsinger, 2001</small>
************ *Stygobromus secundus*<small> Bousfield & Holsinger, 1982</small>
************ *Stygobromus sextarius*<small> Holsinger, 2009</small>
************ *Stygobromus sheldoni*<small>Holsinger, 1974</small>
************ *Stygobromus sierrensis*<small> Holsinger, 1974</small>
************ *Stygobromus simplex*<small> Wang & Holsinger, 2001</small>
************ *Stygobromus smithi*<small>Hubricht, 1943</small>
************ *Stygobromus sparsus*<small> Holsinger, 1978</small>
************ *Stygobromus spinatus*<small> (Holsinger, 1967) </small>
************ *Stygobromus spinosus*<small> (Hubricht & Mackin, 1940) </small>
************ *Stygobromus stadukhini*<small> (Derzhavin, 1930) </small>
************ *Stygobromus stegerorum*<small> Holsinger, 1978</small>
************ *Stygobromus stellmacki*<small> (Holsinger, 1967) </small>
************ *Stygobromus subtilis*<small> (Hubricht, 1943) </small>
************ *Stygobromus tahoensis*<small> Holsinger, 1974</small>
************ *Stygobromus tenuis*<small> (S.I. Smith, 1874) </small>
************ *Stygobromus trinus*<small> Wang & Holsinger, 2001</small>
************ *Stygobromus tritus*<small> Holsinger, 1974</small>
************ *Stygobromus urospinatus*<small> Wang & Holsinger, 2001</small>
************ *Stygobromus utahensis*<small> Wang & Holsinger, 2001</small>
************ *Stygobromus vitreus*<small> Cope, 1872</small>
************ *Stygobromus wachuschtii*<small> (Behning, 1940) </small>
************ *Stygobromus wahkeenensis*<small> Wang & Holsinger, 2001</small>
************ *Stygobromus wardi*<small>Wang & Holsinger, 2001</small>
************ *Stygobromus wengerorum*<small>Holsinger, 1974</small>
*********** *Slekt Stygonyx*<small> Bousfield & Holsinger, 1989</small>
************ *Stygonyx courtneyi Bousfield'' & Holsinger, 1989

## Referanser


## Eksterne lenker
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