Gastropoda - Trochoidea - Colloniidae
Alternative spelling: Collonia (Cirsochilus)
Parent taxon: Colloniinae according to J.-M. Pacaud and J. Le Renard 1995
See also Allison 1955, Gendry 2014, MacNeil 1960, Palmer 1937 and Sepkoski 2002
Sister taxa: Adeorbisinini, Angulataphrus, Argalista, Bothropoma, Bothropomatinae, Chartronella, Coanollonia, Collonia, Crossostoma, Crossostomatini, Cyniscella, Helicocryptini, Hikidea, Otomphalus, Petropoma, Triangaphrus, Vexinia
Subtaxa: Cirsochilus (Claibornia) Cirsochilus gilberti Cirsochilus washingtonianus Collonia (Cirsochilus) praecursor
Ecology: epifaunal grazer
Distribution:
• Quaternary of Japan (1 collection)
• Eocene of France (2), United States (9: Alabama, Texas, Washington)
• Paleocene of Australia (3), Poland (2)
• Cretaceous of Mexico (1)
Total: 18 collections including 21 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.