MolluscaBase eds. (2024). MolluscaBase. Rhinoclavis (Semivertagus) Cossmann, 1889. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=1304487 on 2024-07-08
original description(ofCerithium (Semivertagus) Cossmann, 1889)Cossmann, M. (1889). Catalogue illustré des coquilles fossiles de l'Éocène des environs de Paris. <em>Annales de la Société Royale Malacologique de Belgique.</em> 24: 3-381, pls 1-12., available online athttps://www.biodiversitylibrary.org/page/5502754 page(s): 28 (94 in reprint); note: as "section" of Cerithium Bruguière, 1789 [details]