WebKey: Step 870. Coepoda: Genus Monacilla females. Gns symmetrical, not protruding on right. P4 Co inner posterior surface with transverse row of spinules, left and right leg of equal length: Monacilla gracilis
WebKey: Step 1603. Mysidacea. Mysidacea. Pleopods in both sexes with both rami well developed and natatory, without modified setae.Branchiae present on some or all thoracic limbs.