Gastropoda - Bellerophontida - Tropidodiscidae
Full reference: M. F. Fix. 1975. The Paleontology and stratigraphy of the Smithville and Blackrock Formations of Southeastern Missouri. M.S. Thesis, Geology, Washington University 1-147
Parent taxon: Tropidodiscus according to M. F. Fix 1975
Sister taxa: Tropidodiscus (Tropidodiscus), Tropidodiscus annularis, Tropidodiscus antarcticus, Tropidodiscus arisaigensis, Tropidodiscus carinatus, Tropidodiscus carnicus, Tropidodiscus centrifugulus, Tropidodiscus compticarinatus, Tropidodiscus cultricarinatus, Tropidodiscus curvilineatus, Tropidodiscus decussata, Tropidodiscus delanoui, Tropidodiscus foliatus, Tropidodiscus geyeri, Tropidodiscus globosus, Tropidodiscus imitator, Tropidodiscus minimus, Tropidodiscus nakazatensis, Tropidodiscus obex, Tropidodiscus phoenix, Tropidodiscus pragensis, Tropidodiscus regularis, Tropidodiscus rotula, Tropidodiscus vesculilineatus, Tropidodiscus waratahensis, Oxydiscus bougangensis
Subtaxa: none
Type: Bellerophon macer
Ecology: slow-moving low-level epifaunal detritivore
Distribution: there are no occurrences of Tropidodiscus (Umbilicatus) in the database