organisms
see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
Domain eukaryotes
see Domain Eukaryota Chatton, 1925
amoeboid protists
Class Acantharea Haeckel, 1881
Order Chaunacanthida Schewiakoff, 1926
Family Stauraconidae Schewiakoff, 1926
Genus Amphiacon Schewiakoff, 1926