(Proisotoma) (Proisotoma) is a biological genus in the family Isotomidae and order Collembola (Snow Flies).
Proisotoma aera
Proisotoma alpa
Proisotoma antigua
Proisotoma bayouensis
Proisotoma beta
Proisotoma bulba
Proisotoma bulbosa
Proisotoma clavipila
Proisotoma crassicauda
Proisotoma dubia
Proisotoma ewingi
Proisotoma excavata
Proisotoma extra
Proisotoma frisoni
Proisotoma immersa
Proisotoma laticauda
Proisotoma libra
Proisotoma macgillivaryi
Proisotoma mackenziana
Proisotoma minima
Proisotoma minuta
Proisotoma muskegis
Proisotoma obsoleta
Proisotoma rainieri
Proisotoma schoetti
Proisotoma sepulchralis
Proisotoma tenella
Proisotoma titusi
Proisotoma turberculatum
Proisotoma veca
Proisotoma vernoga
Proisotoma vesiculata
Proisotoma vetusta
Proisotoma woodi
Agrenia
Antarctophorus
Anurophorus
Archisotoma
Axelsonia
Blissia
Bonetrura
Coloburella
Cryptopygus
Cylindropygus
Degamaea
Folsomia
Folsomides
Folsomina
Gressittacantha
Haploisotoma
Hemisotoma
Isotoma
Isotomiella
Isotomodella
Isotomodes
Isotomurus
Jesenikia
Metisotoma
Micranurophorus
Micrisotoma
Mucrosomia
Mucrotoma
Neocryptopygus
Pectenisotoma
Proctostephanus
Proisotoma
Pseudanurophorus
Rhodanella
Semicerura
Sibiracanthella
Stachanorema
Tetracanthella
Tuvia
Uzelia
Weberacantha
Womersleyella
Yosiiella