[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 Cardiidae Lamarck, 1809 - cockles
         01 Genus Cardium Linnaeus, 1758
         02 Genus Acanthocardia Gray, 1851
         03 Genus Parvicardium Monterosato, 1884
         04 Genus Afrocardium Tomlin, 1931
         05 Genus Plagiocardium Cossmann, 1886
         06 Genus Laevicardium Swainson, 1840
         07 Genus Cerastoderma Poli, 1795
         08 Genus Ciliatocardium Kafanov, 1974
         09 Genus Serripes Gould, 1841
         10 Genus Fulvia Gray, 1853