Gastropoda - Neritoidea - Naticopsidae
Full reference: J. B. Knight. 1933. The gastropods of the St. Louis, Missouri, Pennsylvanian outlier: VI. The Neritidae. Journal of Paleontology 7(4):359-392
Belongs to Naticopsis according to P. J. Wagner 2011
Sister taxa: Naticopsis (Naticopsis), Naticopsis (Vernelia), Naticopsis ableptis, Naticopsis aequistriata, Naticopsis altoni, Naticopsis apachensis, Naticopsis apollinis, Naticopsis bowsheri, Naticopsis carleyana, Naticopsis carlyana, Naticopsis chesterensis, Naticopsis comperta, Naticopsis confusa, Naticopsis consobrina, Naticopsis convoluta, Naticopsis cretacea, Naticopsis deformis, Naticopsis depressa, Naticopsis depressa, Naticopsis dianae, Naticopsis efossa, Naticopsis elegantula, Naticopsis elliptica, Naticopsis errans, Naticopsis eruca, Naticopsis expansa, Naticopsis extensa, Naticopsis fasciata, Naticopsis gaderana, Naticopsis gaillardoti, Naticopsis genevievensis, Naticopsis globosa, Naticopsis gracilis, Naticopsis guizhouensis, Naticopsis hallii, Naticopsis indica, Naticopsis inflata, Naticopsis inornata, Naticopsis inornata, Naticopsis insculpta, Naticopsis involuta, Naticopsis irregularis, Naticopsis judithae, Naticopsis kaibabensis, Naticopsis kayseri, Naticopsis ladina, Naticopsis laeta, Naticopsis laubei, Naticopsis levis, Naticopsis limneiformis, Naticopsis manitobensis, Naticopsis marginata, Naticopsis mariona, Naticopsis mediterranea, Naticopsis microtricha, Naticopsis minima, Naticopsis minoensis, Naticopsis minuta, Naticopsis minuta, Naticopsis naticaeformis, Naticopsis nexicosta, Naticopsis oblata, Naticopsis oblatus, Naticopsis oncochiliformis, Naticopsis opimavoluta, Naticopsis osbornei, Naticopsis ovoidea, Naticopsis ovulum, Naticopsis pegmihumerosa, Naticopsis petricola, Naticopsis phillipsi, Naticopsis planapicula, Naticopsis planifrons, Naticopsis plebeia, Naticopsis plena, Naticopsis plicatella, Naticopsis plicatula, Naticopsis primigenia, Naticopsis priscus, Naticopsis protei, Naticopsis protogaea, Naticopsis purpura, Naticopsis remex, Naticopsis ribletella, Naticopsis ruchholzi, Naticopsis scintilla, Naticopsis semistriata, Naticopsis sessilis, Naticopsis sigaretiformis, Naticopsis sirodoti, Naticopsis spallanzanii, Naticopsis spectata, Naticopsis subovata, Naticopsis sumatrensis, Naticopsis suturicompta, Naticopsis taemasensis, Naticopsis tayloriana, Naticopsis telleri, Naticopsis tortum, Naticopsis transversa, Naticopsis trautscholdi, Naticopsis trevorpaticiciorum, Naticopsis tschernyschewi, Naticopsis tumescens, Naticopsis variata, Naticopsis velox, Naticopsis virgata, Naticopsis waageni, Naticopsis wakehami, Naticopsis wakimizui, Naticopsis waterlooensis, Naticopsis wortheniana, Naticopsis yinganensis, Naticopsis (Neritomopsis) ambiensis, Naticopsis (Neritomopsis) arenicola, Naticopsis (Neritomopsis) minuta
Type specimen: YPM 14156, a skeleton. Its type locality is SL-1. Headwaters of Feefee Creek, north of Olive St. & west of Lindberg Blvd., 1.5 km northwest of Stratmann (Olivette), which is in a Moscovian marine shale in the Appanoose Formation of Missouri.
Ecology: epifaunal omnivore-grazer
Average measurements (in mm): shell width 5.29