[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
Count: 3k;35p;34c;158o;1359f;4704g;2825s;11ss
   Phylum Mollusca Linnaeus, 1758 - molluscs
  Count: 7c;339f;1062g;1595s;6ss
     Class Gastropoda Cuvier, 1795 - snails and slugs
    Count: 204f;694g;1460s;6ss
       Family Epitoniidae Berry, 1910 (1812) - wentletraps
      Count: 18g;68s
         Genus Periapta Bouchet & Warén, 1986
        Count: 2s
           Periapta gracilis (Verrill, 1880)
          Count: -
           Periapta polygyrella (P. Fischer, in Locard, 1897)
          Count: -