Chasmocarcinidae Serène, 1964
Chasmocarcinus arcuatus Coelho Filho & Coelho, 1998
Chasmocarcinus chacei Felder & Rabalais, 1986
Chasmocarcinus cylindricus Rathbun, 1901
Chasmocarcinus ferrugineus Glassell, 1936
Chasmocarcinus hirsutipes Coelho Filho & Coelho, 1998
Chasmocarcinus latipes Rathbun, 1898
Chasmocarcinus meloi Coelho Filho & Coelho, 1998
Chasmocarcinus mississipiensis Rathbun, 1931
Chasmocarcinus mississippiensis M. J. Rathbun, 1931
Chasmocarcinus obliquus Rathbun, 1898
Chasmocarcinus panamensis Serène, 1964
Chasmocarcinus peresi Rodrigues da Costa, 1968
Chasmocarcinus rathbuni Bouvier, 1917
Chasmocarcinus superbus (Boone, 1927)
Chasmocarcinus typicus Rathbun, 1898