PaleoDB taxon number: 298477
Full reference: M. Gordon, Jr. 1964. Carboniferous Cephalopods of Arkansas. United States Geological Survey Professional Paper 460:1-322
Type specimen: USNM 119000, a shell. Its type locality is Loc. 1. USGS 14369. Road cut on se side US 65, 0.8 km sw of Peyton Creek Bridge, which is in a Serpukhovian offshore grainstone/shale in the Imo Formation of Arkansas.
Ecology: nektobenthic carnivore