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Rhipidistia
Temporal range: Lower Devonian to Recent
Ectosteorhachis.JPG
Ectosteorhachis
Scientific classification e
Kingdom:Animalia
Phylum:Chordata
Clade:Sarcopterygii
Clade:Rhipidistia

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 Tetrapodaview more...








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