Acanthogammaridae Garjajev, 1901

Myers, A, 2013, A Phylogeny and Classification of the Senticaudata subord. nov. (Crustacea: Amphipoda), Zootaxa 3610 (1), pp. 1-80 : 53-54

Acanthogammaridae Garjajev, 1901

Type genus. Acanthogammarus Stebbing, 1899 b.

Diagnostic description. Body laterally compressed or subcylindrical. Eyes well developed or absent, if present then round or ovoid. Antennae 1–2 calceoli absent. Antenna 1 longer than antenna 2; peduncular article 1 longer than article 2; article 2 subequal to or longer than article 3; article 3 shorter than article 1; peduncular articles 1–2 not geniculate; accessory flagellum short or minute. Antenna 2 peduncular article 1 enlarged, bulbous. Mandible molar [not known]; palps symmetrical; 3–articulate. Maxilla 1 basal endite setose along medial margin or apically setose; palps symmetrical. Maxilla 2 basal endite without oblique setal row. Coxal gills on pereopods 2–7, not stalked; sternal gills absent; sternal blisters absent; oostegites fringing setae simple. Gnathopod 1 subchelate; dissimilar in males and females (sexually dimorphic); subchelate; similar in size to gnathopod 2; propodus palm without robust setae along palmar margin. Gnathopod 2 subchelate; dissimilar in males and females (sexually dimorphic); carpus not produced along posterior margin of propodus, projecting between merus and propodus. Pereopods 3–4 not sexually dimorphic. Pereopods 3–4 not sexually dimorphic. Pereopod 4 with well developed posteroventral lobe or without posteroventral lobe. Pereopod 5 shorter than pereopod 6 or subequal in length to pereopod 6; coxa equilobate or with posteroventral lobe. Pereopod 7 subequal in length to, or longer than pereopod 5. Pleonites 1–3 each with or without dorsal carina or carinae. Pleopods well developed, biramous. Urosomites 1–3 free; without slender or robust dorsal setae. Urosomite 1 without large distoventral robust seta. Urosomite 2 without dorsal setae. Uropod 1 without basofacial robust setae. Uropod 3 not sexually dimorphic; biramous, with plumose setae; endopod subequal in length to exopod; exopod longer than peduncle, 1-articulate. Telson deeply cleft , moderately cleft or weakly cleft .

Included subfamilies. Abyssogammarinae Kamaltynov, 1999 ; Acanthogammarinae Garjajev, 1901 ; Carinogammarinae Takhteev, 2000 ; Eulimnogammarinae Kamaltynov, 1999 ; Hyalellopsinae Kamaltynov, 1999 ; Odontogammarinae Kamaltynov, 1999 ; Parapallaseinae Kamaltynov, 1999 ; Plesiogammarinae Kamaltynov, 1999 ; Poekilogammarinae Kamaltynov, 1999 .

Habitat. Freshwater, epigean and hypogean.

Included genera. Acanthogammarinae includes 16 genera: Acanthogammarus (Acanthogammarus) Stebbing, 1899 b; Acanthogammarus (Ancyracanthus) Kamaltynov, 2001 ; Boeckaxelia Schellenberg, 1940 ; Brachyuropus Stebbing, 1899 b; Brandtia Bate 1862 ; Carinurus Sowinsky, 1915 ; Cheirogammarus Sowinsky, 1915 ; Coniurus Sowinsky, 1915 ; Cornugammarus Kamaltynov, 2001 ; Dedyuola Kamaltynov, 2001 ; Diplacanthus Kamaltynov, 2001 ; Dorogammarus Bazikalova, 1945 ; Dorogostaiskia Kamaltynov, 2001 ; Eucarinogammarus Sowinsky, 1915 ; Issykogammarus Chevreux, 1908 ; Metapallasea Bazikalova, 1959 ; Oxyacanthus Kamaltynov, 2001 .

Carinogammarinae includes 9 genera: Aspretus Kamaltynov, 2001 ; Asprogammarus Bazikalova, 1975 ; Carinogammarus Stebbing, 1899 b; Echiuropus (Asprogammarus) Bazikalova, 1975 ; Echiuropus (Echiuropus) Sowinsky, 1915 ; Echiuropus (Smaragdogammarus) Bazikalova, 1945 ; Eremogammarus Kamaltynov, 2001 ; Pseudomicruropus Bazikalova, 1961 ; Smaragdogammarus Bazikalova, 1975 .

Eulimnogammarinae includes 1 genus: Eulimnogammarus Bazikalova, 1945 .

Hyalellopsinae Kamaltynov, 1999 includes 2 genera: Gammarosphaera Bazikalova, 1936 ; Hyalellopsis Stebbing, 1899 b.

Odontogammarinae Kamaltynov, 1999 includes 11 genera: Bazikalovia Takhteev, 2000 ; Berchinia Kamaltynov, 2001 ; Heterogammarus Stebbing, 1899 b; Lobogammarus Bazikalova, 1945 ; Macropereiopus Sowinsky, 1915 ; Odontogammarus Stebbing, 1899 b; Ommatogammarus (Abludogammarus) G. Karaman, 1980; Ommatogammarus (Ommatogammarus) Stebbing, 1899 b; Ommatogammarus (Pretiositus) Kamaltynov, 2001 ; Profundalia Kamaltynov, 2001 ; Tengisia Kamaltynov, 2001 .

Parapallaseinae Kamaltynov, 1999 includes 3 genera: Ceratogammarus Sowinsky, 1915 ; Palicarinus Barnard & Barnard, 1983 ; Parapallasea Stebbing, 1899 b.

Plesiogammarinae Kamaltynov, 1999 includes 7 genera/subgenera: Garjajewia Sowinsky, 1915 ; Koshovia Bazikalova, 1975 ; Paragarjajewia Bazikalova, 1945 ; Plesiogammarus (Plesiogammarus) Stebbing, 1899 b; Plesiogammarus (Caecogammarus) Kamaltynov, 2001 ; Sentogammarus Kamaltynov, 2001 ; Supernogammarus Kamaltynov, 2001 .

Poekilogammarinae Kamaltynov, 1999 includes 8 genera/subgenera: Bathygammarus Bazikalova, 1945 ; Gymnogammarus Sowinsky, 1915 ; Inobsequentus Takhteev, 2000 ; Nyctoporea Kamaltynov, 2001 ; Onychogammarus (Onychogammarus) Sowinsky, 1915 ; Onychogammarus (Variogammarus) Takhteev, 1995 ; Poekilogammarus Stebbing, 1899 b; Rostrogammarus Bazikalova, 1945 .

Distribution. Lake Baikal.