@inbook{WoRMS:SourceID:176561, author = {Sowerby, G. B. II}, title = {Monograph of the genus Cerithium, Adanson. In G. B. Sowerby II (ed.), Thesaurus conchyliorum, or monographs of genera of shells. Vol. 2 (16): 847–899, pl. 176–186. London, privately published. }, url = {http://biodiversitylibrary.org/page/11076091}, year = {1855} }