Syncarida

Syncarida is a superorder of crustaceans, comprising the two extant orders Anaspidacea and Bathynellacea, and the extinct order Palaeocaridacea.

Taxonomy
Fifty-nine living genera are known, in six families:
 * Anaspidacea Calman, 1904
 * Anaspididae Thomson, 1893
 * Koonungidae Sayce, 1908
 * Psammaspididae Schminke, 1974
 * Stygocarididae Noodt, 1963
 * Bathynellacea Chappuis, 1915
 * Bathynellidae Grobben, 1904
 * Parabathynellidae Noodt, 1965