Antennal scale lanceolate with rounded apex, 5 times as long as broad. Telson linguiform, 1.5 times as long as broad; lateral margin with 8-11 small spines; apex rounded, with about 14 longer spines.
Ref.: Hoffmeyer (1993).
Kingdom Animalia Phylum Crustacea Superorder Peracarida Order Mysidacea Suborder Mysida Family Mysidae Subfamily Mysinae Tribe Erythropini Genus Mysidopsis Species Mysidopsis rionegrensis