alligator gar atractosteus spatula |
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navigate by keyword : 100 alligator america atractosteus back bowfin cretaceous early euryhaline existence family fish fossil freshwater gar group group39aph39s holostei infraclass largest million north ray finned record spatula species traces years |
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The alligator gar is a ray-finned euryhaline fish related to the bowfin in the infraclass Holostei. It is the largest species in the gar family, and among the largest freshwater fish in North America. The fossil record traces its group's existence back to the Early Cretaceous over 100 million years ago. |
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