Antennal scale without terminal thorn at end of naked outer margin. Telson linguiform, twice as long as broad; lateral margin armed along distal 1/3 with 11 small spines which are lengthened distally; apex narrow, with a pair of long slender spines and 3 plumose setae.
Ref.: O. S. Tattersall (1955), as Gibberythrops megalops.
Kingdom Animalia Phylum Crustacea Superorder Peracarida Order Mysidacea Suborder Mysida Family Mysidae Subfamily Mysinae Tribe Erythropini Genus Hyperamblyops Species Hyperamblyops megalops