Carapace and abdomen with fine, short appressed hairs; branchial region variably pubescent; antennal and hepatic spines distinct; hepatic and orbito-antennal groove distinct, but cervical groove shallow; a longitudinal obscure suture from above of bottom of orbit to median part of carapace. Rostrum reaching to about middle of antennal second segment; upper margin with seven to nine equidistant teeth; a deep emargination just in front of epigastric tooth; dorsal margin of carapace carinate except for short stretch near posterior border. A basal spine each on third maxilliped, first and second pereiopods. Abdomen carinate dorsally from posterior half of third segment to sixth segment. Telson with a short subterminal, movable spine on either side. Therycum of female with angulated anterior margin of median plate and rounded anterolateral angle of each lateral plate.
Distribution:
West Atlantic from Chesapeake Bay and the Bermudas through the Gulf of Mexico and Puerto Rico to northern Brazil, 26-71 m deep.