[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Phylum Mollusca Linnaeus, 1758 - molluscs
     Class Bivalvia Linnaeus, 1758 - bivalves
       Family Hiatellidae Gray, 1824 - geoducks
         1 Genus Hiatella Bosc, 1801
         2 Genus Panomya Gray, 1857
         3 Genus Panopea Ménard de la Groye, 1807
         4 Genus Saxicavella Fischer, 1878
         5 Genus Cyrtodaria Reuss, 1801