Syncarida
Syncarida is a superorder of crustaceans, comprising the two extant orders Anaspidacea and Bathynellacea, and the extinct order Palaeocaridacea. Fifty-nine living genera are known, in six families:
;Anaspidacea Calman, 1904
;Bathynellacea Chappuis, 1915
- Bathynellidae Grobben, 1904
- Parabathynellidae Noodt, 1965