Chinese 巨鳍龙属 Cited by user Shanghai Ningyou on 26 Dec 2023 巨鳍龙属（学名：Megapterygius，意为“大翅膀”）是发现于日本晚白垩世鸟屋城组（Toyajo Formation，长谷川泥砂岩段）的一类已灭绝的沧龙. 该属只包含一个物种，即模式种和歌山巨鳍龙（M.wakayamaensis），根据几乎完整的骨骼进行描述.
Japanese メガプテリギウス Cited by user Eight heads serpent on 13 Dec 2023 メガプテリギウス（学名: ）は後期白亜紀の日本に生息していたモササウルス亜科の爬虫類. 和名はワカヤマソウリュウ.
English Megapterygius Cited by user Ta-tea-two-te-to on 13 Dec 2023 Megapterygius (meaning "large wing") is an extinct genus of mosasaurine mosasaur from the Late Cretaceous Toyajo Formation (Hasegawa Muddy Sandstone Member) of Japan.