mexicanus poderia representar um elemento adicional da associação de vertebrados fósseis do Kimmeridgiano da dita unidade geológica. Ao longo da Bacia de Tlaxiaco, o modo de conservação dos fósseis e a composição litológica observada em IGM 9026 somente se repetem nos vertebrados marinhos da Formação Sabinal, recentemente descobertos nas proximidades de Tlaxiaco. Este achado apoia a reclassifica ção de IGM 9026 a partir de uma nova combinação nominal como Torvoneustes mexicanus. O presente estudo proporciona uma nova descrição deste fóssil baseado em uma análise microscópica, uso de luzes brancas e UV, que levou à descoberta de caracteres dentários únicos neste exemplar, que coincidem com aqueles do gênero Torvoneustes. Mais tarde, ele foi identificado como um possível crocodilomorfo marinho do Jurássico Superior da fam ília Metriorhynchidae, e portanto, foi referido como ? Cricosaurus mexicanus. Originalmente, este único exemplar é holótipo do plesiossauro Plesiosaurus ( Polypticodon ) mexicanus. RESUMO – O exemplar IGM 9026 é um fóssil singular coletado no princípio do século 20 em um sítio pouco conhecido da Bacia Tlaxiaco, situado próximo a cidade de Tlaxiaco, Estado de Oaxaca, sul do México, cuja idade foi vagamente sugerida como do Eocretáceo. Keywords : Torvoneustes, Plesiosaurus mexicanus, hispanic corridor, Kimmeridgian, Tlaxiaco Basin, Sabinal Formation. The two nominal species of Torvoneustes were collected in Kimmeridgian marine deposits of England hence, this finding expands the geographical distribution of Torvoneustes all along the Tethys Sea, from its Eastern/European to western/ Caribbean domains. mexicanus could represent an additional element of the Kimmeridgian vertebrate assemblage recovered in this geological unit. ![]() Along the Tlaxiaco Basin, the fossil preservation mode and lithological composition observed in IGM 9026 only occur in the marine vertebrates recently discovered in Yosobé, a Kimmeridgian shale outcrop characterized by clay calcareous nodules that belong to the Sabinal Formation, near Tlaxiaco town. This finding supports the re-classification of IGM 9026 under a new nominal combination as Torvoneustes mexicanus. ![]() The present study provides a re-description of this fossil based on a microscopic analysis and the use of white and UV lights these analyses led to the discovery of peculiar dental characters diagnostic of the genus Torvoneustes. This specimen is the holotype of Plesiosaurus ( Polypticodon ) mexicanus, which later was identified as a possible late Jurassic marine crocodylomorph of the family Metriorhynchidae, and consequently it was referred as ? Cricosaurus mexicanus. The age of the site was suggested as being early Cretaceous. ABSTRACT – IGM 9026 is a singular fossil collected at the beginning of the 20th century in an improperly documented site within the Tlaxiaco Basin, near to Tlaxiaco town, Oaxaca, Mexico. , JESÚS ALVARADO-ORTEGA Instituto de Geología, Universidad Nacional Autónoma de México, Circuito de la Investigación s/n, Ciudad Universitaria, Delegación Coyoacán, Distrito Federal, 04510, México. FERNÁNDEZ División Paleontología Vertebrados, Unidades de Investigación Anexo Museo, Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata, Av. BARRIENTOS-LARA Posgrado en Ciencias Biológicas, Instituto de Geología, Universidad Nacional Autónoma de México, Circuito de la Investigación S/N, Ciudad Universitaria, Delegación Coyoacán, Distrito Federal, 04510, México. 19(3):415-424, Setembro/Dezembro 2016 © 2016 by the Sociedade Brasileira de Paleontologia doi: 10.4072/rbp.2016.3.07 OCCURRENCE OF TORVONEUSTES (CROCODYLOMORPHA, METRIORHYNCHIDAE) IN MARINE JURASSIC DEPOSITS OF OAXACA, MEXICO JAIR I. On the output HTML, remove the blank space between the two columns inside a mj-group.415 Rev. IOS 9 Issue: If you use a HTML beautifier for MJML output, iOS9 will render your columns inside a mj-group as stacked. You can have both column and group inside a Section Ĭolumn inside a group must have a width in percentage, not in pixel Responsive MJML is responsive by design on most-popular email clients, even Outlook. Easy and quick Write less code, save time and code more efficiently with MJML’s semantic syntax. ![]() To do so, wrap the columns inside a mj-group tag, so they'll stay side by side on mobile. Mj-group allows you to prevent columns from stacking on mobile.
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