Gastropoda - Cerithioidea - Thiaridae
Synonyms: Aulacostoma Spix in Wagner 1827, Bassistoma Lea 1852, Semisinus Fischer 1885
Parent taxon: Semisinusinae according to J.-M. Pacaud and J. Le Renard 1995
See also Harris and Palmer 1947, Olsson 1931, Vaught et al. 1989 and Woodring 1959
Sister taxa: none
Subtaxa: Hemisinus (Cubaedomus) Hemisinus (Longiverena) Hemisinus antiguensis Hemisinus atriformis Hemisinus bituminifer Hemisinus costatus Hemisinus jacksonius Hemisinus kochi Hemisinus pistati Hemisinus siliceus Hemisinus sulcatus Hemisinus terebriformis
Ecology: epifaunal grazer
Distribution:
• Pliocene of Venezuela (1 collection)
• Miocene of Colombia (1), Panama (2), Peru (2)
• Oligocene of Mexico (2), Panama (1), Peru (1)
• Eocene of Cuba (1), Mexico (1), the United Kingdom (1), United States (3: Arkansas, Louisiana)
• Paleocene of Belgium (1), Poland (1)
Total: 18 collections including 21 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.