| Cladornis Temporal range:
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Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Aves |
| Infraclass: | Neognathae |
| Clade: | Neoaves |
| Genus: | †Cladornis Ameghino, 1895 |
| Type species | |
| †Cladornis pachypus (Ameghino, 1895)
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Cladornis is an extinct genus of bird from the early Oligocene of Argentina. Known from a single partial tarsometatarsus, its taxonomic placement is uncertain.[1] It has been variously described as some kind of terrestrial penguin, a pelecaniform, and a "very large and extremely weird land bird".[1][2] The shaft the tarsometatarsus of Cladornis was very flat and short, and the distal head suggests strong development of the toes.[1]
References
- ^ a b c Mayr, Gerald (2022). Paleogene fossil birds. Fascinating life sciences (2nd ed.). Cham: Springer. ISBN 978-3-030-87644-9.
- ^ Olson, Storrs (1985). Avian biology. New York: Academic Press. p. 193. ISBN 0122494083.
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This page was last edited on 6 January 2024, at 05:36