Acanthostega (meaning "spiny roof") is an extinct genus of stem-tetrapod, among the first vertebrate animals to have recognizable limbs. It appeared in the late Devonian period (Famennian age) about 365 million years ago, and was anatomically intermediate between lobe-finned fishes and those that were fully capable of coming onto land.

Wikipedia has a more detailed and comprehensive article on Acanthostega


Jurassic World: The Game

see Acanthostega/JW: TG

Acanthostega appears in Jurassic World: The Game as a tournament creature.


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