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Rhipidistia


'Rhipidistia' can also refer to...

 

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Group of crossopterygian (‘tassel-finned’) fish ranging from the Devonian to the Permian. They possessed two dorsal fins, lobate or stalked pectoral and pelvic fins, and internal nostrils. Distantly related to the living coelacanth, they are considered by some to be ancestral to the Tetrapoda (terrestrial vertebrates).

Subjects: Zoology and Animal Sciences — Earth Sciences and Geography.


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