classis Insecta 
= Hexapoda 
subclassis Apterygota
superordo Thysanuroidea
ordo Diplura
= Entognatha =
Thysanura Entotrophica
ordo Thysanura
= Ectognatha = Thysanura Ectotrophica
superordo Collemboloidea
= Apontoptera
(:320)
ordo Collembola
superordo Proturoidea
= Myrientomata
(:321)
ordo Protura
subclassis Pterygota
= Pterygogenea