[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Phylum Mollusca Linnaeus, 1758 - molluscs
     Class Gastropoda Cuvier, 1795 - snails and slugs
       Family Siliquariidae Anton, 1838
         Genus Tenagodus Guettard, 1770
           Tenagodus obtusus (Schumacher, 1817)
           Tenagodus senegalensis (Récluz, in Mörch, 1860)