Gastropoda - Cerithioidea - Thiaridae
Full reference: J.-M. Pacaud and J. Le Renard. 1995. Révision des Mollusques Paléogénes du Bassin de Paris. IV - Liste systématique actualisée. Cossmanniana 3(4):155-187
Parent taxon: Thiaridae according to J.-M. Pacaud and J. Le Renard 1995
Sister taxa: Aylacostoma, Bayania, Brotiopsis, Kumania, Neoradina, Pachymelania, Pyrgulifera, Sheppardiconcha, Stomatopsinae, Sulcospira, Thiarinae, Yoshimonia
Subtaxa: Hemisinus
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 20 occurrences