Genus Acanthochirana Strand, 1928

TYPE SPECIES. — Udora cordata Münster, 1839 (partim), by subsequent designation of Glaessner (1929).

DIAGNOSIS (from Charbonnier et al. 2017). — Rostral carina with spines pointing forward; smooth rostrum, spineless; one epigastric spine in the third anterior of dorsal margin; weak cervical groove, not joined to dorsal margin; oblique branchiocardiac groove joined to hepatic groove at level of strong hepatic spine; short hepatic groove backward directed; cephalic region with postorbital spine; hypertrophied Mxp3 with rows of movable spines; branch-like Mxp3 dactylus; chelate P1-P3; achelate P4-P5; uropodal exopod without diaeresis.