Eocaiman is an extinct genus of caiman containing species living from the Early Paleocene to Miocene in what is now Argentina (Salamanca and Sarmiento Formations), Itaboraí Formation of Brazil and Colombia (Honda Group).[1][2] Eocaiman contains three described species: E. cavernensis, E. palaeocenicus, and E. itaboraiensis, and is typically recovered as one of the more basal members of Caimaninae.[3][4] Notocaiman was synonymized with Eocaiman paleocenicus in 2022.[5]
| Eocaiman Temporal range: Early Paleocene - Middle Miocene,
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|---|---|
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Clade: | Archosauromorpha |
| Clade: | Archosauriformes |
| Order: | Crocodilia |
| Family: | Alligatoridae |
| Subfamily: | Caimaninae |
| Genus: | †Eocaiman Simpson 1933 |
| Type species | |
| †Eocaiman cavernensis Simpson, 1933
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| Other Species | |
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| Synonyms | |
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References
edit- ^ Eocaiman at Fossilworks.org
- ^ André E.P. Pinheiro; Daniel C. Fortier; Diego Pol; Diógenes A. Campos; Lílian P. Bergqvist (2013). "A new Eocaiman (Alligatoridae, Crocodylia) from the Itaboraí Basin, Paleogene of Rio de Janeiro, Brazil". Historical Biology: An International Journal of Paleobiology. 25 (3): 327–337. Bibcode:2013HBio...25..327P. doi:10.1080/08912963.2012.705838. hdl:11336/5404. S2CID 84897348.
- ^ Rio, Jonathan P.; Mannion, Philip D. (6 September 2021). "Phylogenetic analysis of a new morphological dataset elucidates the evolutionary history of Crocodylia and resolves the long-standing gharial problem". PeerJ. 9: e12094. doi:10.7717/peerj.12094. PMC 8428266. PMID 34567843.
- ^ Paula Bona; Martín D. Ezcurra; Francisco Barrios; María V. Fernandez Blanco (2018). "A new Palaeocene crocodylian from southern Argentina sheds light on the early history of caimanines". Proceedings of the Royal Society B: Biological Sciences. 285 (1885): 20180843. doi:10.1098/rspb.2018.0843. PMC 6125902. PMID 30135152.
- ^ Bona, Paula; Barrios, Francisco; Ezcurra, Martín D.; Blanco, M. Victoria Fernandez (2022). "The Taxonomic Status of Notocaiman stromeri (Crocodylia, Alligatoroidea) and the Early Diversity of South American Caimanines". Ameghiniana. 59 (3): 210–220. doi:10.5710/AMGH.27.02.2022.3470. ISSN 0002-7014. S2CID 247273365.
Further reading
edit- The Osteology of the Reptiles (page 605)
External links
edit- Eocaiman in the Paleobiology Database
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