Alexandrella australis ( Chilton, 1912 )

d’Acoz, Cédric d’Udekem & Verheye, Marie L., 2017, Epimeria of the Southern Ocean with notes on their relatives (Crustacea, Amphipoda, Eusiroidea), European Journal of Taxonomy 359, pp. 1-553 : 168-169

Alexandrella australis ( Chilton, 1912)

Acanthonotozoma australis Chilton, 1912: 205 , pl. 2 fig. 19.

Acanthonotozoma australis – Dell 1972: 71, fig. 7 (after Chilton).

Alexandrella australis – Serejo 2014: 139, in part (key).

non Alexandrella australis – Holman & Watling 1983: 33–37, figs 1–3. — Berge & Vader 2005a: 1330–

1332, fig. 1.

Distribution

Eastern Weddell Sea: Scottish National Antarctic Expedition 1902–1904, RV Scotia, stn 417, 71°22ʹ S, 16°34ʹ W, 2578 m ( Chilton 1912).

Remarks

There are significant morphological differences between the Alexandrella australis specimens illustrated by Chilton (1912) and Holman & Watling (1983), as follows: ventral margin of coxa 1 concave vs convex; pereionite 6 with vs without small mid-dorsal tooth; crest of urosomite 1 with long vs small posterior tooth. It is probable that they are not conspecific and that the specimen illustrated by Holman & Watling (1983) belongs to an undescribed species. It is referred herein as Alexandrella sp. 3. The second (nonillustrated) specimen listed by these authors might be A. chione sp. nov. (see account on that species).