SUBFAMILY ACASTINAE KOLBASOV, 1993
† Acasta Leach, 1817 (59 species) (Oligoscene-Recent)
Archiacasta Kolbasov, 1993 (nine species)
Euacasta Kolbasov, 1993 (ten species)
Neoacasta Kolbasov, 1993 (six species)
Pectinoacasta Kolbasov, 1993 (six species)