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 arnoldi, Bittium bramkampi, Bittium cliffensis, Bittium deshayesi, Bittium howardi, Bittium koeneni, Bittium latreilli, Bittium longissimum, Bittium munitum, Bittium nugatorium, Bittium oamaruticum, Bittium oedumi, Bittium pabloensis, Bittium parvulum, Bittium preussi, Bittium quilonense, Bittium reticulatum, Bittium reticulatum, Bittium scotti, Bittium serenum, Bittium spina, Bittium topangensis, Bittium yaguense
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