Australian Amphipoda: Eusiridae

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

Pseudomoera fontana (Sayce)

Atyloides fontana Sayce, 1902: 49, pl. 5. --Stebbing, 1909: 729. --Stebbing, 1910: 640.

Pseudomoera fontana. --Bradbury & Williams, 1999: 12 (key), 19.

Type material. Probably lost.

Type locality. Rivulet (about 1000 m altitude) near Wood's Point, Victoria.

Description. Based on Sayce, 1902: 49, pl. 5. Head rostrum present, short; eyes present, eyes round. Body dorsally smooth. Antenna 1 longer than antenna 2, or subequal in length to antenna 2; accessory flagellum present, accessory flagellum minute. Mandible molar columnar, triturative. Lower lip inner lobes present; outer lobes with narrow gap. Maxilla 1 inner plate setose along medial margin. Maxilla 2 inner plate subequal or slightly broader than outer; inner plate with slender medial setae, with oblique row of slender setae.

Peraeon. Gnathopod 1 subchelate; subequal to gnathopod 2; coxa weakly or not produced anteroventrally; carpus not cantilevered, subequal in length to propodus, posterodistally lobed; propodus without robust setae along posterior margin (adults); dactylus narrowing distally, apically acute or subacute. Gnathopod 2 not sexually dimorphic. Gnathopod 2 subchelate; carpus not cantilevered, posterodistally lobed, subequal in length to propodus; propodus without robust setae along posterior margin (adults); dactylus narrowing distally, apically acute or subacute. Peraeopods 3-4 propodus simple.

Pleon. Pleonites neither tricarinate. Epimeron 3 posteroventral margin smooth, corner acutely produced. Uropod 1 outer ramus shorter than inner. Uropod 3 peduncle with dorsal robust setae; rami subequal in length. Telson cleft, with large apical robust setae.

Habitat. Freshwater; streams.

Altitude. 1000 m.

Distribution. Victoria: rivulet near Wood's Point, Murray-Darling basin (Sayce, 1902).

Geographic areas. South-eastern Australia.

Cite this publication as: 'J.K. Lowry, P.B Berents & R.T. Springthorpe (2000 onwards). Australian Amphipoda: Eusiridae. Version: 2 October 2000. https://crustacea.net'.