. "Megathyridoidea Dall, 1870" . . . "Dall, 1870" . _:b76669987 . "Megathyridoidea" . _:b76669987 "WoRMS id" . "235318" . . . "Megathyridoidea" . _:b76669987 "235318" . . "Megathyridoidea" . . . "524853" . . . _:b76669987 . _:b76669987 .