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Bittiolum alternatum Say 1822 (cerith snail)

Gastropoda - Sorbeoconcha - Cerithiidae

PaleoDB taxon number: 109166

Alternative combinations: Diastoma alternatum, Turritella alternata

Synonyms: Cerithium nigrum Totten 1834 (no. 109164), Pasithea nigra Totten 1834 (no. 109163)

Belongs to Bittiolum according to A. J. W. Hendy et al. 2008

Sister taxon: Bittiolum varium

Ecology: epifaunal grazer