Eukaryota  >  Metazoa  >  Arthropoda  >  Collembola  >  Symphypleona

Family	Genus	Species
Arrhopalitidae	2	61
Bourletiellidae	4	2083
Dicyrtomidae	6	1162
Katiannidae	4	461
Mackenziellidae	1	1
Sminthuridae	9	144
Sminthurididae	3	217
Spinothecidae	1	3