†Nummocalcar (Platybasis) Cossmann 1915 (snail)
Gastropoda - Vetigastropoda - Discohelicidae
Alternative spelling: Platybasis
Full reference: M. Cossmann. 1915. Essais de Paléoconchologie comparée. 10:1-292
Parent taxon: Nummocalcar according to J. Fischer and C. Weber 1997
See also Knight et al. 1960, Schröder 1995 and Sepkoski 2002
Sister taxon: Nummocalcar bussoni
Subtaxa: Nummocalcar (Platybasis) pulchellum
Ecology: epifaunal grazer
Distribution: