Rostrum short, triangular, with bluntly rounded apex. Eyes large, globular, set widely apart. Antennal scale narrow, shorter than antennal peduncle; inner margin and distal 1/3 of outer margin with plumose setae. Apex of telson with a pair of long spines and a pair of feeble, median plumose setae.
Ref.: O. S. Tattersall (1955).
Kingdom Animalia Phylum Crustacea Superorder Peracarida Order Mysidacea Suborder Mysida Family Mysidae Subfamily Mysinae Tribe Erythropini Genus Heteroerythrops Species Heteroerythrops purpura