Mysidium gracile

(Dana, 1852)

Antennal scale 4 times as long as broad.
Exopod of 4th male pleopod with distal 3 segments of equal length.
Telson with apex slightly emarginate; lateral margins slightly concave; number of spines of lateral and apical margins is about 50.

Ref.: da Costa (1964), Brattegard (1969).