Allosprostonia Lawler & Hargis, 1968 accepted as Allobenedenia Yamaguti, 1963 (original description)
Cachonina Loeblich III, 1968 accepted as Heterocapsa Stein, 1883 (original description)
Ceochasma Thompson, 1968 † (original description)
Cronodrilus Holt, 1968 (original description)
Hobbseus Fitzpatrick & Payne, 1968 (original description)
Mediavagina Lawler & Hargis, 1968 (original description)
Neogrubea Dillon & Hargis, 1968 (original description)
Parvanachis Radwin, 1968 (original description)
Rhombinella Radwin, 1968 (original description)
Sathodrilus Holt, 1968 (original description)
Striella Glynn, 1968 (original description)
Suturoglypta Radwin, 1968 (original description)
Tettodrilus Holt, 1968 (original description)