Trimusculus Schmidt 1818 (button snail)
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Gastropoda - Heterostropha - Trimusculidae
Synonym: Gadinia Gray 1824
Parent taxon: Trimusculidae according to P. Bouchet et al. 2005
See also Abbott 1974, Clark and Arnold 1923, Keen 1971 and Sepkoski 2002
Sister taxa: none
Subtaxa: Gadinia (Rowellia) Trimusculus reticulata Trimusculus reticulatus
Ecology: facultatively mobile low-level epifaunal grazer
Distribution:
• Quaternary of Angola (1 collection), Ecuador (1), Mexico (7), South Africa (1), United States (13: California)
• Pliocene of the Dominican Republic (1)
• Oligocene of Canada (2: British Columbia)
Total: 26 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
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