@inbook{ERMS:SourceID:288778, author = {Adams, A.}, title = {Monograph of the family Bullidae. In G. B. Sowerby II (ed.), Thesaurus conchyliorum, or monographs of genera of shells. Vol. 2 (11): 553-608, pls 119-125. London, privately published.}, url = {https://www.biodiversitylibrary.org/page/43936916}, year = {1850} }