Anonyx affinis Ohlin, 1895

Based on female: Antenna 1 subequal to antenna 2; flagellum article 1 distinctly elongate; calceoli absent. Eyes large, suboval or reniform. Lateral cephalic lobes subacute. Maxilliped palp 4-articulate; inner plate poorly developed, not reaching half length of outer plate.

Gnathopod 1 subchelate coxa large, about as long as coxa 2, subrectangular, with straight anterior margin; ischium short; carpus short, of subequal length to propodus; propodus longer than broad, margins tapering, palm acute to extremely acute; dactylus well developed. Gnathopod 2 subchelate; carpus longer than propodus; dactylus minute. Pereopod 5 coxa equilobate; basis distinctly longer than broad. Coxa 6 equilobate.

Epimeron 1 anterodistal corner quadrate; epimeron 3 posterodistal corner produced, forming a small spine. Urosomite 1 with dorsal depression, carinate dorsally. Uropod 1 and 2 rami subequal; uropod 2 inner ramus without marginal constriction(s); uropod 3 outer ramus 2-articulate, article 2 short, rami distinctly unequal. Telson distinctly longer than broad, deeply cleft.