Australian Amphipoda: Aoridae

Lembos philacanthus. --Chilton, 1921b: 77, fig. 11a-c (not L. philacanthus Stebbing, 1888: 1082, pl. 110).

Description. Based on Chilton, 1921: 77, fig. 11a-c.

Peraeon. Gnathopod 1 enlarged in males only; coxa unproduced anterodistally; basis robust, half or more as broad as long, without a spine, anterior margin without stridulating ridges, posterodistal margin with setae sparse or absent, anterodistal margin with strong flange, with a weak distomedial lobe or absent; ischium anterior margin without flange, posterior margin with dense rows of setae; merus not greatly elongated, fused along its entire length with carpus, posterior margin with dense rows of setae, with acute posterodistal spine; carpus two thirds length of propodus, anterior margin without stridulating ridges, with setae sparse or absent, anterior surface with no spine, without an oblique row of long setae on medial face, posterior margin without spines; propodus longer than carpus, anterior margin weakly to moderately setiferous, posterior margin straight or evenly convex, palm present, palm delimited from posterior margin, margin forming a broad excavate sinus, palm defined by strong posterodistal spine, with robust seta defining palm, with spine near base of dactylus, with subquadrate spine or with subtriangular, apically subacute or rounded spine; dactylus more than half length of propodus, significantly overlapping palm. Gnathopod 2 subchelate; basis anterodistal margin without flange, posterodistal margin without robust setae; with few setae along length of basis; carpus subequal with or shorter than propodus, anterior margin not lobate, moderately to sparsely setiferous; propodus moderately to sparsely setose, palm with robust seta(e) defining palm.

Pleon. Uropod 1 biramous. Uropod 3 biramous.

Distribution. Tasmania: east coast; eastern slope of Bass Strait (Chilton, 1921).

Geographic areas. South-eastern Australia, or Southern Australia.