[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 Rissoidae Gray, 1847
         Genus Obtusella Cossmann, 1921
           Obtusella intersecta (S. Wood, 1857)
           Obtusella macilenta (Monterosato, 1880)
           Obtusella roseotincta (Dautzenberg, 1889)
           Obtusella tumidula (G.O. Sars, 1878)