Botucaraitherium is an extinct genus of prozostrodontian cynodonts from the early Norian Riograndia Assemblage Zone in the Candelária Formation of the Paraná Basin in southeastern Brazil.[1] It is known from a single type species, Botucaraitherium belarminoi. The genus name is derived from the Botucaraí Hill, which dominates the landscape of Candelária, Rio Grande do Sul. The species epithet honors Belarmino Stefanello, a volunteer at the Museu Municipal Aristides Carlos Rodrigues, who found the fossil.[2]
| Botucaraitherium Temporal range: Norian
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| Illustration of the holotype jaw | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Clade: | Synapsida |
| Clade: | Therapsida |
| Clade: | Cynodontia |
| Clade: | Mammaliamorpha |
| Genus: | †Botucaraitherium Soares et al., 2014 |
| Type species | |
| †Botucaraitherium belarminoi Soares et al., 2014
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Botucaraitherium in a cladogram after Stefanello et al. (2023):[3]
References
edit- ^ Schultz, C. L.; Martinelli, A. G.; Soares, M. B.; Pinheiro, F. L.; Kerber, L.; Horn, B. L. D.; Pretto, F. A.; Müller, R. T.; Melo, T. P. (2020). "Triassic faunal successions of the Paraná Basin, southern Brazil". Journal of South American Earth Sciences. 104: 102846. doi:10.1016/j.jsames.2020.102846.
- ^ Soares, M. B.; Martinelli, A. G.; de Oliveira, T. V. (2014). "A new prozostrodontian cynodont (Therapsida) from the Late Triassic Riograndia Assemblage Zone (Santa Maria Supersequence) of Southern Brazil". Anais da Academia Brasileira de Ciências. 86: 1673–1691. doi:10.1590/0001-3765201420140455. hdl:10183/119079. Retrieved 2019-03-26.
- ^ Stefanello, M.; Martinelli, A. G.; Müller, R. T.; Dias-da-Silva, S.; Kerber, L. (2023). "A complete skull of a stem mammal from the Late Triassic of Brazil illuminates the early evolution of prozostrodontian cynodonts". Journal of Mammalian Evolution. doi:10.1007/s10914-022-09648-y.
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