Eukaryota  >  Metazoa  >  Arthropoda  >  Thecostraca

Order	Family	Genus	Species
Balanomorpha	13	87	811
Calanticomorpha	1	4	20
Cryptophialida	1	1	5
Dendrogastrida	1	2	12
Iblomorpha	1	1	2
Laurida	3	4	6
Lithoglyptida	2	8	46
Pollicipedomorpha	2	4	15
Verrucomorpha	1	6	19