Gastropoda - Euomphalina - Platyceratidae
Synonym: Ptychospira Perner 1903 [replaced name]
Full reference: J. Perner. 1907. Gastéropodes, Tome 2: Pleurotomaridae et Murchisonidae 1-380
Parent taxon: Platyceratidae according to J. B. Knight et al. 1960
Sister taxa: Barynema, Basiplanus, Brokenriveria, Cancellator, Cancelloplatyceras, Compsonema, Crossoceras, Cyclonema, Devononema, Euthyrhachis, Himantonia, Lotzia, Naticellina, Naticonema, Naticonoda, Natirhenia, Nonorios, Obscuropsis, Paffrathia, Palaeocapulus, Platyceras, Platyschisma, Praenatica, Pseudorthonychiinae, Rhabdocantha, Spinyplatyceras, Spiranodus, Spironemella, Strophostylus, Tachloconcha, Turbonellininae
Subtaxa: Ptychospirina mima, Ptychospirina senaria, Ptychospirina varians
Type: Ptychospira senaria
Ecology: passively mobile epifaunal coprophage