Antennal scale 3.5 times as long as broad. Endopod of uropods with 19 spines along inner margin. Telson as long as broad, triangular with truncateapex, slight constriction near distal end; apical and lateral margins with 26 spines, of which the ones on the distallobe are very strong.
Ref.: da Silva (1970b).
Kingdom Animalia Phylum Crustacea Superorder Peracarida Order Mysidacea Suborder Mysida Family Mysidae Subfamily Mysinae Tribe Erythropini Genus Metamysidopsis Species Metamysidopsis macaensis