Entognatha [klasse]
(401 soorten in totaal / 272 gevestigd)

Collembola [orde] (360/265)

Arrhopalitidae [familie] (6/4)

Bourletiellidae [familie] (14/13)

Brachystomellidae [familie] (1/1)

Cyphoderidae [familie] (1/1)

Dicyrtomidae [familie] (9/7)

Entomobryidae [familie] (46/38)

Hypogastruridae [familie] (43/31)

Isotomidae [familie] (97/75)

Katiannidae [familie] (13/9)

Mackenziellidae [familie] (1/1)

Neanuridae [familie] (34/19)

Neelidae [familie] (4/4)

Odontellidae [familie] (3/3)

Oncopoduridae [familie] (1/0)

Onychiuridae [familie] (35/25)

Poduridae [familie] (1/1)

Sminthuridae [familie] (10/8)

Sminthurididae [familie] (10/7)

Tomoceridae [familie] (4/4)

Tullbergiidae [familie] (27/14)