PaleoDB taxon number: 119570
Full reference: S. Niko and R. H. Mapes. 2005. Early Carboniferous trigonoceratid nautilids from the Pitkin Formation of Arkansas, Midcontinent North America. Paleontological Research 9(3):233-241
Type specimen: OUZC 5102, a shell. Its type locality is Loc. 2. Road cut on the southern side of AR-Highway 66, ~1 km northeast of, which is in a Chesterian reef, buildup or bioherm grainstone/packstone in the Pitkin Formation of Arkansas.
Ecology: nektobenthic carnivore