Gastropoda - Cerithioidea - Cerithiidae
Alternative spelling: Stylidium
Parent taxon: Bittium according to T. H. Aldrich 1911
See also Sepkoski 2002
Sister taxa: Bittium (Bittium), Bittium (Brachybittium), Bittium (Cacozeliana), Bittium (Cerithidium), Bittium (Elachista), Bittium (Semibittium), 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 (Stylidium) anita
Ecology: epifaunal grazer
Distribution:
• Pliocene to Pleistocene of United States (5: California, Oregon collections)
• Miocene of Kazakhstan (1)
• Eocene of United States (5: Alabama, Texas)
Total: 11 collections each including a single occurrence