Diastylis, Say, 1818

Gerken, Sarah, 2014, Eleven New Species and a New Genus of Diastylidae (Crustacea: Cumacea) from Australia and One New Species from Canada, Records of the Australian Museum 66 (1), pp. 1-62 : 16

Key to the Australian species of Diastylis and Makrokylindrus

1 Telson longer than uropod peduncles, without lateral setae; carapace with two pairs large spines anteriorly, small spines arranged in multiple short rows ...................................... Makrokylindrus eirmoacanthus n. sp.

—— Telson shorter than uropod peduncles, at least 4 pairs of lateral setae; carapace with many spines, all subequal in size, with two distinct strongly serrate lateral ridges .............................................. Diastylis kapalae n. sp.