Tooth-like projections of varying size at concave end of postabdomen in cladocerans, having taxonomic value; few large basal spines near base of claw, minute denticles along greater part of claw, and spines of intermediate foreign particles and parasites [Moore and McCormick, 1969].
(Order Cladocera):
Toothlike projections of varying size at concave end of postabdomen [McLaughlin, 1980].
Crustacea glossary. Natural History Museum of Los Angeles County. 2011.