The rostrum comprises two short, stout spines.

The chelipeds are very long and thin, and in adults can be approximately four times the length of the carpace.

[4] This species is found in the western Atlantic including the Gulf of Mexico, and ranges from Nova Scotia, Canada in the north,[1] to Massachusetts and Texas in United States waters.

It also occurs from northern Cuba to Colombia and French Guiana.

[4] It lives in soft bottoms, in substrates of mud and sand at depths of between 66 and 1,216 metres.