Serène & Umali, 1972
Eye peduncle folding strongly and obliquely backward and downward. Thoracic sternum anteriorly enlarged, markedly narrower posteriorly, with a very narrow space between the coxae of P2, P3, and P4. Chelipeds with short flattened propodus; dactylus very short, bent against the anterior border of palm; fixed finger very short. An oblique rim on proximal part of ischium of third maxilliped. Spermathecal apertures close together, longitudinal in outline. (Guinot 1998)
Type genus: Notopus de Haan, 1841.
Genera treated:
genus Cosmonotus White, 1847
genus Notopus de Haan, 1841
genus Umalia Guinot, 1993