Gastropoda - Euomphalina - Platyceratidae

Full reference: R. J. Horný. 1997. Ordovician Tergomya and Gastropoda (Mollusca) of the Anti-Atlas (Morocco). Acta Musei Nationalis Pragae, Series B - Historia Naturalis 53(3-4):37-78

Parent taxon: Platyceratidae according to J. O. R. Ebbestad et al. 2008

Sister taxa: Barynema, Basiplanus, Brokenriveria, Cancellator, Cancelloplatyceras, Compsonema, Crossoceras, Cyclonema, Devononema, Euthyrhachis, Himantonia, Lotzia, Naticellina, Naticonema, Naticonoda, Natirhenia, Obscuropsis, Paffrathia, Palaeocapulus, Platyceras, Platyschisma, Praenatica, Pseudorthonychiinae, Ptychospirina, Rhabdocantha, Spinyplatyceras, Spiranodus, Spironemella, Strophostylus, Tachloconcha, Turbonellininae

Subtaxa: Nonorios carnicus, Nonorios kleistos, Nonorios pater, Nonorios pectinata

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Type: Turbonitella pater

Ecology: passively mobile epifaunal coprophage