Eukaryota  >  Metazoa  >  Arthropoda  >  Thecostraca

Order	Family	Genus	Species
Balanomorpha	13	108	831
Calanticomorpha	1	4	23
Cryptophialida	1	1	5
Dendrogastrida	1	2	12
Iblomorpha	2	1	2
Laurida	3	4	6
Lithoglyptida	3	9	46
Pollicipedomorpha	2	4	16
Verrucomorpha	1	6	20