Gastropoda - Bellerophontida - Sinuitidae
Alternative spelling: Oxydiscus (Cyrtodiscus)
Synonym: Gamadiscus Horný 1962
Full reference: J. Perner. 1903. Gastéropodes, Tome 1: Patellidae et Bellerophontidae 1-164
Parent taxon: Sinuitidae according to B. Runnegar and P.A. Jell 1976
See also Horný 1962, Horný 1963, Horný 1997, Horný 1997, Knight et al. 1960, Perner 1903, Sepkoski 2002, Wagner 2023 and Yü 1986
Sister taxa: Aiptospirinae, Bucaniellidae, Protowarthiidae, Sinosinuites, Sinuitinae, Strangulites, Sylvestrosphaera, Trigyra
Subtaxa: Cyrtodiscus evolvens Cyrtodiscus nitidus Cyrtodiscus procer Cyrtodiscus simaki
Ecology: epifaunal detritivore
Distribution:
• Ordovician of the Czech Republic (13 collections), Morocco (1), Sweden (8), United States (2: Montana)
• Cassinian of the United Kingdom (1)
• Arenig of France (1)
Total: 26 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.