SUBFAMILY MEGABALANINAE

† Austromegabalanus Newman, 1979 (Miocene– Recent) (eight species)

†† Fosterella Buckeridge, 1983 (Pliocene–Pleistocene) (four species)

† Megabalanus Hoek, 1913 (Oligocene–Recent) (37 species)

† Notomegabalanus Newman, 1979 (Miocene– Recent) (13 species)

Paractinobalanus Carriol, 2008 (Miocene) (one species)

Pseudoacasta Nilsson-Cantell, 1930 (one species)

†† Tasmanobalanus Buckeridge, 1993 (Oligocene– Pliocene) (one species)