Groenlandibelus rosenkrantzi (FOSSIL) (Birkelund, 1956 †)
Naefia kabanovi (FOSSIL) Doguzhaeva, 1996 †
Naefia neogaeia (FOSSIL) Wetzel, 1930 †
Cyrtobelus birkelundae (FOSSIL) A. Fuchs & al., 2012 †
Cyrtobelus hornbyense (FOSSIL) A. Fuchs & al., 2012 †
Longibelus matsumotoi (FOSSIL) (Y.M. Hirano, Obata& Ukishima, 1991 †)