Malacostraca - Decapoda - Tumidocarcinidae

Formerly placed in genus Plagiolophus, however Rathbun deemed it best to place in the genus Lobonotus. (Rathbun, 1936, Corrections of Names of Fossil Decapod Crustaceans)

Full reference: M. J. Rathbun. 1935. Fossil Crustacea of the Atlantic and Gulf Coastal Plain. Geological Society of America Special Paper (2)1-160

Belongs to Lobonotus according to Rathbun 1935

Sister taxa: Lobonotus australis, Lobonotus brazosensis, Lobonotus foerstei, Lobonotus mexicanus, Lobonotus natchitochensis, Lobonotus purdyi, Lobonotus sandersi, Lobonotus sculptus, Lobonotus sturgeoni

Ecology: epifaunal carnivore