(Moreira, 1903)
Diagnosis:
Carapace smooth between ridges and large spines. Spinules present behind postrostral carinae. Intermediate carina smooth. Chelae of first pereiopods heavily ridged and spinulose.
Type:
Type locality: E.S.E. of Ilha Rasa at the entrance of the Bay of Rio de Janeiro "á distancia de 30 a 35 milhas da costa entre 43° e 43"30', W. Greenwich e á profundidade de 60 a 100 metros". Syntypes in MNRJ, and USNM, no. 29328.
Geographical Distribution:
Western Atlantic region: off the east coast of South America between 23°S (off Rio de Janeiro, Brazil) and 38°S (off Buenos Aires Province, Argentina).
Habitat and Biology:
Found in waters between 50 and 150 m deep.
Size:
Total body length of adult specimens between 11 and 18 cm; carapace length between 5 and 8 cm.
Interest to Fisheries:
So far none. The species is rather rare ("se encuentra raramente en nuestras costas" Barattini and Ureta, 1960: 49) and certainly does not at present form the subject of a fishery.