Order Philasterida Small, 1967

Fam. Cinetochilidae Perty 1852
Fam. Cohnilembidae Kahl, 1933
Fam. Cryptochilidae Berger in Corliss, 1979
Fam. Entodiscidae Jankowski, 1973
Fam. Entorhipidiidae Madsen, 1931
Fam. Loxocephalidae Jankowski, 1964
Fam. Orchitophryidae Cépède, 1910
Fam. Paralembidae Corliss & de Puytorac in Small & Lynn, 1985
Fam. Parauronematidae Small & Lynn, 1985
Fam. Philasteridae Kahl, 1931
Fam. Pseudocohnilembidae Evans & Thompson, 1964
Fam. Thigmophryidae Chatton & Lwoff, 1926
Fam. Thyrophylacidae Berger in Corliss, 1961
Fam. Uronematidae Thompson, 1964
Fam. Urozonidae Grolière, 1975

Sedis mutabilis in Order Philasterida

- Kahlilembus Grolière & Couteaux, 1984 [Foissner, Berger & Kohmann, 1994]

Incertae sedis in Order Philasterida

- Andreula Kahl, 1934
- Bizonula Corliss, 1960
- Colpodopsis Gourret & Roeser, 1888 [syn. of Platynematum]
- Cryptostomina Fedele, 1938
- Eurychilum André, 1910
- Gullmarella Fenchel, 1964
- Lembadionella Kahl, 1933
- Ptyssostoma Hentschel, 1927
- Pusilloburius Corliss, 1979
- Rhinodisculus Mansfeld, 1923
- Sertumia Tucolesco, 1962