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Academic literature on the topic 'Mixotoxodon'
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Journal articles on the topic "Mixotoxodon"
Pérez-Crespo, Víctor Adrián, Joaquín Arroyo-Cabrales, Ana Fabiola Guzmán, Pedro Morales-Puente, Edith Cienfuegos-Alvarado, and Francisco J. Otero. "ISOTOPIC PALEOECOLOGY OF A TOXODONT (MIXOTOXODON LARENSIS) FROM MICHOACAN, MEXICO." Southwestern Naturalist 64, no. 1 (January 9, 2020): 63. http://dx.doi.org/10.1894/0038-4909-64-1-63.
Full textChimento, Nicolás R., and Federico L. Agnolin. "Mamíferos del pleistoceno superior de santiago del estero (Argentina) y sus afinidades paleobiogeográficas." Papéis Avulsos de Zoologia 51, no. 6 (2011): 83–100. http://dx.doi.org/10.1590/s0031-10492011000600001.
Full textBonini, Ricardo A., Gabriela I. Schmidt, Marcelo A. Reguero, Esperanza Cerdeño, Adriana M. Candela, and Natalia Solís. "First record of Toxodontidae (Mammalia, Notoungulata) from the late Miocene–early Pliocene of the southern central Andes, NW Argentina." Journal of Paleontology 91, no. 3 (February 21, 2017): 566–76. http://dx.doi.org/10.1017/jpa.2016.160.
Full textHernández Jasso, Roberto Emmanuel, and Alberto Blanco Piñón. "Late Pleistocene toxodont remains of Tamaulipas, Mexico. Confirmation of the occurrence of Mixotoxodon larensis (Van Frank, 1957) and an analysis of sexual dimorphism." Journal of South American Earth Sciences 104 (December 2020): 102849. http://dx.doi.org/10.1016/j.jsames.2020.102849.
Full textDissertations / Theses on the topic "Mixotoxodon"
Santos, Ricardo Mendonça Neves dos. "Revisão dos toxodontes pleistocênicos brasileiros e considerações sobre Trigonops lopesi (Roxo, 1921) (Notoungulata, Toxodontidae)." Universidade de São Paulo, 2008. http://www.teses.usp.br/teses/disponiveis/41/41133/tde-04042008-100509/.
Full textThe Pleistocene fossils of the Toxodontidae in Brazil usually referred to Toxodon platensis Owen, 1840. Most f the remains found are represented by isolated teeth or fragmentary bones, thus making identification less accurate. This study presents a systematic review of the Brazilian pleistocenic toxodonts, Toxodon, Trigodonops and Mixotoxodon, based on skull and teeth characters. Cranial remains (143) related to toxodonts of the South American Pleistocene in Brazil, Argentina and Uruguay, were analyzed together with fossils recently recovered in the Brazilian northeast and housed in the Museu de História Natural de Taubaté. Comparative analyses showed that the genus Toxodon possesses great morphological variability, both in the cranial bones as well as in the shape of incisive and pre-molar teeth. From the several characters seen, morphology of the occipital region and of the zigomatic arch, the width of nasals and sagittal crest, upper incisive distribution in the pre-maxilla, morphology and enamel deposition of upper and lower pre-molar, the upper molar morphology and the third lower incisive morphology, show them as polymorphic characters in Brazilian pleistocenic species, not permitting distinguishing species. On the other hand, the lower molars do not show this morphological variability, representing a character for the systematics of these Pleistocene toxodonts. The genus Trigodonops lopesi do not present sufficient distinctions that could permit differentiation from the genus Toxodon, thus, it is referred to here as Toxodon lopesi, as initially described by Roxo (1921). Mixotoxodon larensis is a valid species, well represented in Central America, but with few known fossil records in Brazil. Thus, in the Pleistocene it was noted that Mixotoxodon larensis and Toxodon lopesi were distributed more in the north of Brazil, whereas Toxodon platensis was spread all over the country.