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Willemoes-Suhm, 1874

Carapace with anterior margin of rostrum serrate. Posterolateral wings of carapace rounded.
Antennal scale not jointed, with acutely pointed apex; outer margin serrate.
Uropods with both rami not jointed.
Abdomen with 6th abdominal somite not divided into 2 sections.
Telson oblong-triangular, with narrowly truncate apex and a couple of dorsal spinose keels.

Ref.: Fage (1941), as Chalaraspis alata; Birstein and Tchindonova (1962).

Chalaraspidum alatum