Family SCINIDAE Stebbing, 1888

Scina borealis

© Copyright from Zeidler 1998: fig. 1.

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Introduction

The Scinidae are a small family of four genera and about 43 species, dominated by the genus Scina. It is mainly a deep-water group (Zeidler 1992) associated with siphonophores (Laval 1980). Fourteen species, all in the genus Scina, have been reported from Australian waters, a number similar to the 15 species, in three genera, reported by Répelin (1978) from the western and central Pacific Ocean. Bowman & Gruner (1973) and Vinogradov et al. (1982) both give keys to the world genera and Vinogradov et al. give keys to the world species. Zeidler (1990) gives a key to the world species of Scina.

Diagnosis

Head deeper than long; anteroventral margin moderately recessed; rostrum absent. Body laterally compressed or dorsoventrally flattened. Antenna 1 shorter or longer than antenna 2; peduncle 1- or 2-articulate; peduncular article 1 shorter or longer than article 2; calceoli absent. Mandible molar absent; palp absent. Maxilla 1 palp 1-articulate. Gnathopod 1 simple or carpochelate; carpus longer than propodus; dactylus large or minute. Gnathopod 2 dactylus well developed or minute. Pereopod 3 carpus subequal to propodus or longer than propodus. Pereopod 5 shorter or longer than pereopod 6; without posteroventral lobe; carpus linear. Pereopod 6 longer than pereopod 7; basis linear. Pereopod 7 basis linear. Pleonite 3 with dorsal carina. Uropods 1–3 uniramous; uropod 3 not sexually dimorphic.

General References

Bowman, T.E. & Gruner, H.E. 1973. The families and genera of Hyperiidea (Crustacea: Amphipoda). Smithsonian Contributions to Zoology 146: 1-64

Laval, P. 1980. Hyperiid amphipods as crustacean parasitoids associated with gelatinous zooplankton. Oceanography and Marine Biology Annual Reviews 18: 11-56

Répelin, R. 1978. Les amphipodes pélagiques du Pacifique occidental et central. Travaux et Documents de l'ORSTOM, Paris 86: 1-381

Stebbing, T.R.R. 1888. Report on the Amphipoda collected by H.M.S. Challenger during the years 1873–76. Report on the Scientific Results of the Voyage of H.M.S. Challenger 1873–1876, Zoology 29: i-xxiv + 1-1713, 210 pls (3 vols)

Vinogradov, M.E., Volkov, A.F. & Semenova, T.N. 1982. Amphipoda — Hyperiidea of the World Ocean. Nauka Leningrad U.S.S.R. Opred. po Faune S.S.S.R 132: 1-491 [in Russian]

Zeidler, W. 1990. Pelagic amphipods, Infraorder Physosomata (Crustacea: Amphipoda: Hyperiidea) from the CSK International Zooplankton collection (western North Pacific), with the description of four new species of Scina. Publications of the Seto Marine Biological Laboratory 34(4/6): 167-200

Zeidler, W. 1992. Hyperiid amphipods (Crustacea: Amphipoda: Hyperiidea) collected recently from eastern Australian waters. Records of the Australian Museum 44(1): 85-133

Zeidler, W. 1998. Pelagic amphipods (Crustacea: Amphipoda: Hyperiidea) collected from eastern and south-eastern Australian waters by the CSIRO vessel "Warreen" during the years 1938–1941. Records of the South Australian Museum (Adelaide) Monograph Series 4: 1-143

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