Finger-like process on eyestalk lengthened, curving outward in front of cornea. Antennal scale 3 times as long as broad; apex extending far beyond thorn at end of naked outer margin. Telson triangular, longer than wide; apex narrow, with a pair of spines; lateral margin with 1 spine near distal end.
Ref.: O. S. Tattersall (1955).
Kingdom Animalia Phylum Crustacea Superorder Peracarida Order Mysidacea Suborder Mysida Family Mysidae Subfamily Mysinae Tribe Erythropini Genus Longithorax Species Longithorax capensis