[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 Firolidae Rang, 1829 see Family Pterotracheidae Rafinesque, 1814
         1 Genus Firoloida Lesueur, 1817
         2 Genus Pterotrachea Forskål, 1775