Alternative combination: Palaeoneilo parviradiatus
Full reference: K.W. Ciriacks. 1963. Permian and Eotriassic bivalves of the middle Rockies. Bulletin of the American Museum of Natural History 125(1):1-100
Type specimen: USNM 140458, a shell (Articulated shell). Its type locality is Coulter Ranger Station, Uintah County, which is in a Wordian marine horizon in the Phosphoria Formation of Utah.
Ecology: facultatively mobile infaunal suspension feeder
Average measurements (in mm): shell 3.23 x 0.97, valve length 6.37