Australian Amphipoda: Leucothoidae

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

Anamixis tangaroa Thomas

Anamixis tangaroa Thomas, 1997: 68, fig. 16.

Type material. HOLOTYPE: male "A", 3.58 mm, NMV J19742; PARATYPES: male "B" 3.75 mm and male "C", 3.26 mm, NMV J19743.

Type locality. Sediment and bryozoan mud, 82 m, Bass Strait (39º 49.5'S 146º 18.5'E).

Description. Based on Thomas, 1997: 68, fig. 16 [Bass Strait].

Head lateral cephalic lobe without cusp; cephalic keel present; rostrum small to medium in size. Antenna 2 slender. Mandibles and maxillae vestigial, forming a ventral keel, ventral keel anteroventrally subquadrate. Maxilliped ischial endite (outer plate) vestigial or absent, without lateral flange.

Peraeon. Gnathopod 1 coxa small or absent, hidden by coxa 2, anteroventral corner produced, anteroventral corner subtiangular, notched; dactylus vestigial. Gnathopod 2 coxa at least as long as broad, ventrally excavate; carpus with simple apex; propodus palm convex, propodus palm weakly crenulate or smooth along entire margin; dactylus, inner margin minutely serrate. Peraeopod 3 coxa longer than broad, anteroventral corner overriding lateral face of coxa 2, not extending freely below it, ventral margin slightly convex. Peraeopod 4 coxa, posterior margin with posteroventral lobe. Peraeopods 5 to 7 basis expanded.

Pleon. Epimeron 3 posteroventral corner narrowly rounded.

Habitat. Marine; living on sponges on jetty pilings and on coarse muddy bottoms on the continetal shelf.

Depth zone. Continental shelf (7 to 80 m).

Remarks. Female unknown.

Distribution. New South Wales: Split Solitary Isalnd (AM); Coffs Harbour (AM). Victoria: Bass Strait (Thomas, 1997).

Geographic areas. South-eastern Australia.


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