Rhipidistia
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| Rhipidistia Temporal range: Lower Devonian to Recent
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| Ectosteorhachis | |
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| (unranked): | Rhipidistia
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The Rhipidistia are lobe-finned fish, and include the ancestors of the tetrapods. The Rhipidistia are a subgroup of Sarcopterygii which includes the lungfish (Dipnoi) and the tetrapodomorphs.
As cladistic understanding of the vertebrates has improved over the last few decades a monophyletic Rhipidistia is now understood to include the ancestor of the whole Tetrapoda.
Taxonomy[change | change source]
Rhipidistia