Key to subfamilies of Amathillopsidae
1. Coxae 1–4 some or all ventrally acuminate. Telson entire or emarginate .................... 2
Coxae 1–4 rounded ventrally. Telson weakly cleft .............................. Cleonardopsinae
2. Gnathopods subchelate. Uropods 1–2 without apical robust setae ...... Amathillopsinae
Gnathopods simple. Uropods 1–2 with weakly developed apical robust setae .............. ................................................................................................................. Parepimeriinae