Spine on inferoposteal angle of carapace in some Cladocera. (Pl. mucrones) [Moore and McCormick, 1969].
Spine on inferoposteal angle of carapace in some cladocera. (Pl. mucrones) [McLaughlin, 1980].
(Order Cladocera):
Sharp point at lower posterior end of carapace. (in immature forms: with minute dorsal notches, with minute ventral notches) [Stachowitsch, 1992].
Crustacea glossary. Natural History Museum of Los Angeles County. 2011.