living organisms
see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
Superkingdom Eukaryotae
see Domain Eukaryota Chatton, 1925
Kingdom Animalia Linnaeus, 1758 - animals
Subkingdom Eumetazoa Butschli, 1910
see [unranked] Eumetazoa Bütschli, 1910
Phylum Brachiopoda Duméril, 1806 - brachiopods
Class Articulata Huxley, 1869
Order Terebratulida Waagen, 1883
Suborder Terebratellidina Muir-Wood, 1955
Superfamily Terebratellacea
see Superfamily Terebratelloidea King, 1850
Family Megathyrididae Dall, 1870
Genus Argyrotheca Dall, 1900