Gastropoda - Euomphalina - Platyceratidae
Full reference: M., J.r. Gordon and E. L. Yochelson. 1983. A gastropod fauna from the Cravenoceras hesperium ammonoid zone (Upper Mississippian) in east-central Nevada. Journal of Paleontology 57(5):971-991
Parent taxon: Platyceratidae according to P. J. Wagner 2011
Sister taxa: Barynema, Basiplanus, Brokenriveria, Cancellator, Cancelloplatyceras, Crossoceras, Cyclonema, Devononema, Euthyrhachis, Himantonia, Lotzia, Naticellina, Naticonema, Naticonoda, Natirhenia, Nonorios, Obscuropsis, Paffrathia, Palaeocapulus, Platyceras, Platyschisma, Praenatica, Pseudorthonychiinae, Ptychospirina, Rhabdocantha, Spinyplatyceras, Spiranodus, Spironemella, Strophostylus, Tachloconcha, Turbonellininae
Subtaxa: Compsonema fragile
Type: Compsonema fragile
Ecology: passively mobile epifaunal coprophage