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).
En moderne oppdatering av systematikken gis nedenfor i lys av 2013-revisjonen av storkrepsenes taksonomi, med basis i WoRMS-databasen.[1]
- Rekke: KREPSDYR (Crustacea) - 67 000 arter
- KLASSE storkreps (Malacostraca) - +25 000 arter Latreille, 1802
- Underklasse Eumalacostraca Grobben, 1892
- Overorden Peracarida Calman, 1904
- Orden amfipoder (Amphipoda) - 9 725 arter, 1 900 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
- Slekt Bactrurus Hay, 1902
- 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
- Slekt Pachypodacrangonyx Boutin & Coineau, 1987
- Slekt † Palaeogammarus Zaddach, 1864 - rav fra Baltikum
- Slekt Stygobromus Cope, 1872 = ‘’Synurella’’ Wrzesniowski, 1877
- Stygobromus abditus Holsinger, 1978
- Stygobromus ackerlyi Holsinger, 1978
- Stygobromus alabamensis (Stout, 1911)
- Stygobromus allegheniensis (Holsinger, 1967)
- Stygobromus ambulans (F. Müller, 1846)
- Stygobromus anastasiae Sidorov, Holsinger & Takhteev, 2010
- Stygobromus apscheronia (Derzhavin, 1945)
- Stygobromus araeus (Holsinger, 1969)
- Stygobromus arizonensis Holsinger, 1974
- Stygobromus balconies (Hubricht, 1943)
- Stygobromus baroodyi Holsinger, 1978
- Stygobromus barri (Holsinger, 1967)
- Stygobromus barryi Holsinger, 1978
- Stygobromus behningi (Birstein, 1948)
- Stygobromus bifurca (O.P. Hay, 1882)
- Stygobromus biggersi Holsinger, 1978
- Stygobromus blinni Wang & Holsinger, 2001
- Stygobromus borealis Holsinger, 1978
- Stygobromus boultoni Wang & Holsinger, 2001
- Stygobromus bowmani (Holsinger, 1967)
- Stygobromus caecilius Holsinger, 2011
- Stygobromus canadensis Holsinger, 1980
- Stygobromus carolinensis Holsinger, 1978
- Stygobromus chamberlaini Ellis, 1941
- Stygobromus cherylae Wang & Holsinger, 2001
- Stygobromus clantoni (Creaser, 1934)
- Stygobromus coeca (Dobreanu & Manolache, 1951)
- Stygobromus coloradensis Ward, 1977
- Stygobromus conradi (Holsinger, 1967)
- Stygobromus cooperi (Holsinger, 1967)
- Stygobromus cowani Wang & Holsinger, 2001
- Stygobromus culveri Holsinger, 1978
- Stygobromus cumberlandus Holsinger, 1978
- Stygobromus curroae Wang & Holsinger, 2001
- Stygobromus dejectus (Holsinger, 1967)
- Stygobromus dentata (Hubricht, 1943)
- Stygobromus dershavini (Behning, 1928)
- Stygobromus dicksoni Holsinger, 1978
- Stygobromus donensis (Martynov, 1919)
- Stygobromus duplus Wang & Holsinger, 2001
- Stygobromus elatus (Holsinger, 1967)
- Stygobromus elliotti Holsinger, 1974
- Stygobromus emarginatus (Hubricht, 1943)
- Stygobromus ephemerus (Holsinger, 1969)
- Stygobromus estesi Holsinger, 1978
- Stygobromus exilis Hubricht, 1943
- Stygobromus fecundus Holsinger, 1978
- Stygobromus felleri Holsinger, 2011
- Stygobromus fergusoni Holsinger, 1978
- Stygobromus finleyi Holsinger, 1978
- Stygobromus flagellatus (Benedict, 1896)
- Stygobromus foliatus Holsinger, 2011
- Stygobromus fontinalis Wang & Holsinger, 2001
- Stygobromus franzi Holsinger, 1978
- Stygobromus gallawayae Wang & Holsinger, 2001
- Stygobromus glacialis Wang & Holsinger, 2001
- Stygobromus gracilipes (Holsinger, 1969)
- Stygobromus gradyi Holsinger, 1974
- Stygobromus grahami Holsinger, 1974
- Stygobromus grandis Holsinger, 1978
- Stygobromus hadenoecus (Holsinger, 1966)
- Stygobromus harai Holsinger, 1974
- Stygobromus hayi (Hubricht & Mackin, 1940)
- Stygobromus herbsti Wang & Holsinger, 2001
- Stygobromus heteropodus Hubricht, 1943
- Stygobromus hoffmani Holsinger, 1978
- Stygobromus holsingeri Ward, 1977
- Stygobromus hubbardi Holsinger, 2009
- Stygobromus hubbsi Shoemaker, 1942
- Stygobromus hyporheicus Wang & Holsinger, 2001
- Stygobromus hyrcana (Dershavin, 1939)
- Stygobromus idahoensis Wang & Holsinger, 2001
- Stygobromus imperialis Wang & Holsinger, 2001
- Stygobromus indentatus (Holsinger, 1967)
- Stygobromus inexpectatus Holsinger, 1978
- Stygobromus interitus Holsinger, 1978
- Stygobromus intermedia (Dobreanu, Manolache & Puscariu, 1952)
- Stygobromus interstitialis Wang & Holsinger, 2001
- Stygobromus iowae Hubricht, 1943
- Stygobromus jakutana (Martynov, 1931)
- Stygobromus jemezensis Wang & Holsinger, 2001
- Stygobromus johanseni (Shoemaker, 1920)
- Stygobromus kazakhstanica Kulkina, 1990
- Stygobromus kenki Holsinger, 1978
- Stygobromus lacicolus Holsinger, 1974
- Stygobromus lanensis Wang & Holsinger, 2001
- Stygobromus latus Wang & Holsinger, 2001
- Stygobromus leensis Holsinger, 1978
- Stygobromus lepida (Mateus & Mateus, 1991)
- Stygobromus levanidovae (G. Karaman, 1991)
- Stygobromus limbus Wang & Holsinger, 2001
- Stygobromus longidactylus (S. Karaman, 1929)
- Stygobromus longipes (Holsinger, 1966)
- Stygobromus lucifugus (Hay, 1882)
- Stygobromus mackenziei Holsinger, 1974
- Stygobromus mackini Hubricht, 1943
- Stygobromus mausiHolsinger, 2009
- Stygobromus meschtscherica (Borutsky, 1929)
- Stygobromus mikhaili Sidorov, Holsinger & Takhteev, 2010
- Stygobromus minutus Holsinger, 1978
- Stygobromus montanensis Holsinger, 1974
- Stygobromus montanus (Holsinger, 1967)
- Stygobromus morrisoni (Holsinger, 1967)
- Stygobromus mundus (Holsinger, 1967)
- Stygobromus myersae Wang & Holsinger, 2001
- Stygobromus mysticus Holsinger, 1974
- Stygobromus nanus Holsinger, 1978
- Stygobromus nortoni (Holsinger, 1969)
- Stygobromus obrutus Holsinger, 1978
- Stygobromus obscurus Holsinger, 1974
- Stygobromus onondagaensis (Hubricht & Mackin, 1940)
- Stygobromus oregonensis Holsinger, 1974
- Stygobromus osellai (Ruffo, 1974)
- Stygobromus ozarkensis (Holsinger, 1967)
- Stygobromus parvus (Holsinger, 1969)
- Stygobromus paxillus Holsinger, 2011
- Stygobromus pecki (Holsinger, 1967)
- Stygobromus pennaki Ward, 1977
- Stygobromus philareti (Birstein, 1948)
- Stygobromus phreaticus Holsinger, 1978
- Stygobromus pizzinii (Shoemaker, 1938)
- Stygobromus pollostus Holsinger, 1978
- Stygobromus pseudospinosus Holsinger, 1978
- Stygobromus pusillus (Martynov, 1930)
- Stygobromus putealis (Holmes, 1909)
- Stygobromus puteanus Holsinger, 1974
- Stygobromus quatsinensis Holsinger & Shaw, 1987
- Stygobromus rallus Wang & Holsinger, 2001
- Stygobromus redactus Holsinger, 1978
- Stygobromus reddelli (Holsinger, 1966)
- Stygobromus rudolphi Wang & Holsinger, 2001
- Stygobromus russelli (Holsinger, 1967)
- Stygobromus saltuaris Wang & Holsinger, 2001
- Stygobromus secundus Bousfield & Holsinger, 1982
- Stygobromus sextarius Holsinger, 2009
- Stygobromus sheldoni Holsinger, 1974
- Stygobromus sierrensis Holsinger, 1974
- Stygobromus simplex Wang & Holsinger, 2001
- Stygobromus smithi Hubricht, 1943
- Stygobromus sparsus Holsinger, 1978
- Stygobromus spinatus (Holsinger, 1967)
- Stygobromus spinosus (Hubricht & Mackin, 1940)
- Stygobromus stadukhini (Derzhavin, 1930)
- Stygobromus stegerorum Holsinger, 1978
- Stygobromus stellmacki (Holsinger, 1967)
- Stygobromus subtilis (Hubricht, 1943)
- Stygobromus tahoensis Holsinger, 1974
- Stygobromus tenuis (S.I. Smith, 1874)
- Stygobromus trinus Wang & Holsinger, 2001
- Stygobromus tritus Holsinger, 1974
- Stygobromus urospinatus Wang & Holsinger, 2001
- Stygobromus utahensis Wang & Holsinger, 2001
- Stygobromus vitreus Cope, 1872
- Stygobromus wachuschtii (Behning, 1940)
- Stygobromus wahkeenensis Wang & Holsinger, 2001
- Stygobromus wardi Wang & Holsinger, 2001
- Stygobromus wengerorum Holsinger, 1974
- Slekt Stygonyx Bousfield & Holsinger, 1989
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