| Contents | Class | Order |
Order Endogenida Collin, 1912
Fam. Acinetidae Stein, 1859Fam. Dendrosomatidae Fraipont, 1878
Fam. Enchelyomorphidae Augustin & Foissner, 1992
Fam. Endosphaeridae Jankowski in Corliss, 1979
Fam. Tokophryidae Jankowski in Small & Lynn, 1985
Fam. Trichophryidae Fraipont, 1878