[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 Benthonellania Lozouet, 1990
           Benthonellania agastyches Bouchet & Warén, 1993
           Benthonellania fayalensis (Watson, 1886)
           Benthonellania oligostigma Bouchet & Warén, 1993