Hepatic carina horizontally straight
Fifth pereopod without an exopod
PETASMA
Adrostral crest and groove extending or reaching as far as epigastric tooth.
Distinctive characters : Carapace smooth. Rostrum armed with 7 to 8 teeth on dorsal, and 3 or 4 (rarely 2) teeth on ventral margin
Colour : Green-gray to blackish brown