Table 1. List of ranks used in the hierarchy with the number of taxa per rank.

Rank	Number of Taxa
Superkingdom	2
Kingdom	7
Subkingdom	11
Infrakingdom	8
Superphylum	6
Phylum	96
Subphylum	60
Infraphylum	4
Superclass	12
Class	351
Subclass	145
Infraclass	23
Superorder	52
Order	1,467

Main ranks are in bold type; unnamed taxa are not counted.