Acrobeloides Cobb, 1924 (original description)
Caconema Cobb, 1924 accepted as Subanguina Paramonov, 1967 (original description)
Cheilobus Cobb, 1924 (original description)
Cleistogamia Faust, 1924 (original description)
Cylicostomias Cram, 1925 accepted as Cyathostomum Molin, 1861 (original description)
Eomermis Steiner, 1925 (original description)
Malacophagula Bequaert, 1925 (original description)
Nanomermis Cobb, 1925 (original description)
Neodiplogaster Cobb, 1924 (original description)