Gastropoda - Cerithioidea - Cerithiidae
Alternative spelling: Semibittium
Parent taxon: Bittium according to O. Mandic et al. 2002
See also Oldroyd 1925, Pacaud and Le Renard 1995, Palmer 1923 and Sepkoski 2002
Sister taxa: Bittium (Bittium), Bittium (Brachybittium), Bittium (Cacozeliana), Bittium (Cerithidium), Bittium (Elachista), Bittium (Stylidium), Bittium (Zebittium), Bittium antarctonodosum, Bittium arnoldi, Bittium barbarensis, Bittium bramkampi, Bittium cliffensis, Bittium decussatum, Bittium deshayesi, Bittium fetellum, Bittium howardi, Bittium kamalae, Bittium koeneni, Bittium latreilli, Bittium longissimum, Bittium mexicanum, Bittium nugatorium, Bittium oamaruticum, Bittium oedumi, Bittium oldroydae, Bittium pabloensis, Bittium parvulum, Bittium preussi, Bittium purnimae, Bittium quilonense, Bittium reticulatum, Bittium reticulatum, Bittium scotti, Bittium serenum, Bittium spina, Bittium topangensis, Bittium yaguense, Cerithium (Bittium) wanneri
Subtaxa: Bittium (Semibittium) nicholsi Bittium (Semibittium) nitens Bittium (Semibittium) purpureum Bittium (Semibittium) quadricingulatum Bittium (Semibittium) subplanatum Bittium (Semibittium) vancouverense
Ecology: epifaunal grazer
Distribution:
• Miocene of Australia (2 collections), Austria (8), France (1), Georgia (1), Poland (1), the Russian Federation (1), Ukraine (1)
• Eocene of France (2), the United Kingdom (2), United States (1: California)
• Cretaceous of Poland (1)
Total: 21 collections including 22 occurrences