Ectosteorhachis
From Infogalactic: the planetary knowledge core
Ectosteorhachis Temporal range: Permian
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Ectosteorhachis
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E. nitidus
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Ectosteorhachis nitidus |
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Ectosteorhachis is a genus of prehistoric lobe-finned fish that lived during the Permian period (Cisuralian epoch, about 270 to 299 million years ago). It belonged to the group of Megalichthyiformes and to the family of Megalichthyidae.[1][2] Ectosteorhachis was a fresh water fish.
References
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