Painted in gray-black and bluish-violet colors. Segments of the abdomen and chest without traces of fusion, pronounced tergal tergite . The number of eyes varies from 3 (sometimes 0) to 8. Some are harmful in greenhouses. Cave species are known [1] .
About 660 species and 45 genera are known [2] . The Hypogastruridae family belongs to the superfamily Hypogastruroidea from the order Poduromorpha [3] . Several fossil species are known: Hypogastrura intermedia , Hypogastrura protoviatica [4] . For the fauna of the USSR, 8 genera and more than 80 species were indicated [1] .
- The genus Acherongia - 4 species
- Genus Acherontides - 11
- Genus Acherontiella - 20
- Genus Acheroxenylla - 3
- Genus Austrogastrura - 2
- Genus Barbagastrura - 1
- Genus Biscoia - 1
- Genus Bonetogastrura - 7
- Genus Celegastrura - 1
- Genus Ceratophysella - 125 species
- Genus Choreutinula - 5
- Genus Cosberella - 8
- Genus Denigastrura - 1
- Genus Ecuadogastrura - 1
- Genus Gnathogastrura - 1
- Genus Hypogastrura (Franzura) - 1
- Genus Hypogastrura (Hypogastrura) - 163 species
- Genus Jacutogastrura - 1
- Genus Mesachorutes - 2
- Genus Mesogastrura - 5 ( Mesogastrura libyca )
- Genus Microgastrura - 7
- Genus Neobeckerella - 1
- Genus Octoacanthella - 1
- Genus Ongulogastrura - 1
- Genus Orogastrura - 7
- Genus Parawillemia - 1
- Genus Paraxenylla - 9
- Genus Pseudacherontides - 9
- Genus Schaefferia - 28
- Genus Schoettella (Gomphiocephalus) - 1
- Genus Schoettella (Knowltonella) - 1
- Genus Schoettella - 12
- Genus Stenogastrura - 1
- Genus Tafallia - 2
- Genus Taurogastrura - 1
- Genus Thibaudylla - 4
- Genus Triacanthella - 22
- Genus Typhlogastrura - 19
- Genus Willemgastrura - 1
- Genus Willemia - 41
- Genus Xenylla - 128
- Genus Xenyllogastrura - 8