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Jacarea
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| Jacarea | |
|---|---|
| |
| Yacare caiman, Caiman yacare | |
Scientific classification 
| |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Clade: | Archosauria |
| Order: | Crocodilia |
| Family: | Alligatoridae |
| Subfamily: | Caimaninae |
| Clade: | Jacarea Norell, 1988 |
| Genera | |
Jacarea is a clade of caimans within the subfamily Caimaninae. Jacarea was first named by Norell in 1988 to include the extant species within the genera Caiman and Melanosuchus, while excluding the dwarf caiman genus Paleosuchus.[1] In 1999, Brochu formally cladistically defined Jacarea as the last common ancestor of Caiman latirosris (Broad-snouted caiman), Caiman crocodilus (Spectacled caiman), Caiman yacare (Yacare caiman), Melanosuchus niger (Black caiman), and all its descendants.[1] Molecular DNA phylogenetic studies recover Paleosuchus as outside of Jacarea, although morphological studies are inconsistent.[1]
The cladogram below shows the results of the strict consensus phylogenetic analysis of the 2020 Cicade et al. study:[2]
| Caimaninae |
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References
[edit]- ^ a b c 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.
- ^ Cicade, G.M.; Fortier, D.; Hsiou, A.S. (2020). "Taxonomic and phylogenetic review of Necrosuchus ionensis (Alligatoroidea: Caimaninae) and the early evolution and radiation of caimanines". Zoological Journal of the Linnean Society. 189 (2): 657–669. doi:10.1093/zoolinnean/zlz051.
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