Australian Amphipoda: Ampeliscidae

J.K. Lowry, P.B Berents & R.T. Springthorpe

Ampelisca calooma Lowry & Poore

Ampelisca calooma Lowry & Poore, 1985: 271, figs 9-10.

Type material. HOLOTYPE: 13.2 mm, AM P34169. PARATYPES: 2 specimens, AM P34170; 1 specimen, NMV J7104; 1 specimen AM P34170; 1 specimen AM P34172; 1 specimen, AM P34130.

Type locality. North-east of Long Reef, New South Wales (33º 43'S 151º 40'E), 143 m depth.

Description. Based on Lowry & Poore, 1985: 271, figs 9-10. Head longer than deep; rostrum absent; abutting antenna 1; lateral cephalic lobe absent; anteroventral margin oblique; eyes present, two pairs with cuticular lenses. Antenna 1 long, slightly shorter than to subequal in length to antenna 2; peduncular article 2 long (about 1.5 to 2.5 x length of article 1).

Peraeon. Coxae 1 to 3 with small posteroventral hooks on coxae 1 to 3. Gnathopod 1 simple; propodus palm absent; coxa anterior margin broadly convex, anteroventral corner not produced. Peraeopods 5 and 6 carpus long, about 3 x as long as broad, slightly or not produced along posterior margin of propodus. Peraeopod 7 basis expanded posteriorly, posterior margin broadly rounded, ventral margin densely setose, free anterior margin lacking setae near junction with ischium; ischium longer than merus; merus anterior lobe produced along anterior margin, merus posterior lobe absent; carpus anterior lobe absent, short (about as long as broad); propodus inflated; dactylus broad at base, tapering distally.

Pleon. Epimeron 3 posteroventral margin oblique, straight, corner without notch or cusp, corner subquadrate. Urosomite 1 distally upturned carina. Uropod 2 inner ramus with two dorsal rows of robust setae; outer ramus with a large subterminal robust seta. Uropod 3 rami, inner margins smooth proximally; outer ramus lanceolate. Telson longer than broad (slightly), deeply cleft, distal margin subacute, with mid-dorsal slender setae, inner margin without robust setae along inner margin, distal margin with subapical setae.

Habitat. Marine; soft bottom.

Depth zone. Continental shelf (30 to 200 m) to Continental slope (200 to 1000 m).

Distribution. New South Wales: off Long Reef; north-east of Port Kembla (Lowry & Poore, 1985). Victoria: eastern Bass Strait (Lowry & Poore, 1985).

Geographic areas. South-eastern Australia.

Cite this publication as: 'J.K. Lowry, P.B Berents & R.T. Springthorpe (2000 onwards). Australian Amphipoda: Ampeliscidae . Version: 21st September 2000.'.