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Abstract:

The Bajo de la Carpa Formation (Santonian) of the Neuquén basin (southwestern Argentina) has one of the most complete crocodyliform records of South America, together with the Adamantina and Marília formations of Brazil. In this contribution we report two fragmentary individuals from two different localities of the Bajo de la Carpa Formation: a middle-sized individual (MLP 26-IV-30-2), represented by postcranial remains from the Boca del Sapo locality and a large-bodied individual (MACN Pv-RN 1150), consisting only of snout elements from Paso Córdoba locality. Despite the remains of both specimens are fragmentary, they display anatomical characters of a specialized notosuchian carnivore clade: Baurusuchidae. Our phylogenetic analysis recovers these new individuals as non-baurusuchine baurusuchids, although they take multiple phylogenetic positions on the different most parsimonious trees. These new remains highlight the relevance of the Bajo de la Carpa Formation for understanding the rise of notosuchians during the Late Cretaceous. © 2018 Académie des sciences

Registro:

Documento: Artículo
Título:New Patagonian baurusuchids (Crocodylomorpha; Notosuchia) from the Bajo de la Carpa Formation (Upper Cretaceous; Neuquén, Argentina): New evidences of the early sebecosuchian diversification in Gondwana
Autor:Leardi, J.M.; Pol, D.; Gasparini, Z.
Filiación:Universidad de Buenos Aires, CONICET, Instituto de Estudios Andinos “Don Pablo Groeber” (IDEAN), Facultad de Ciencias Exactas y Naturales, Departamento de Ciencias Geológicas, Intendente Güiraldez 2160, Ciudad Universitaria, Pabellón 2, Buenos Aires, C1428EGBA, Argentina
Museo Paleontológico Egidio Feruglio, CONICET, avenida Fontana 140, Trelew 9100, Chubut, Argentina
CONICET, División Paleontología de Vertebrados, Museo de La Plata, Paseo del Bosque, La Plata, 1900, Argentina
Palabras clave:Argentina; Baurusuchidae; Cretaceous; Neuquén basin; Notosuchia; Patagonia; carnivore; Cretaceous; crocodilian; geographical distribution; Gondwana; phylogenetics; reptile; type locality; Argentina; Brazil; Marilia; Neuquen Basin; Patagonia; Sao Paulo [Brazil]; Crocodylomorpha; Sebecosuchia
Año:2018
Volumen:17
Número:8
Página de inicio:504
Página de fin:521
DOI: http://dx.doi.org/10.1016/j.crpv.2018.02.002
Título revista:Comptes Rendus - Palevol
Título revista abreviado:C. R. Palevol
ISSN:16310683
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_16310683_v17_n8_p504_Leardi

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Citas:

---------- APA ----------
Leardi, J.M., Pol, D. & Gasparini, Z. (2018) . New Patagonian baurusuchids (Crocodylomorpha; Notosuchia) from the Bajo de la Carpa Formation (Upper Cretaceous; Neuquén, Argentina): New evidences of the early sebecosuchian diversification in Gondwana . Comptes Rendus - Palevol, 17(8), 504-521.
http://dx.doi.org/10.1016/j.crpv.2018.02.002
---------- CHICAGO ----------
Leardi, J.M., Pol, D., Gasparini, Z. "New Patagonian baurusuchids (Crocodylomorpha; Notosuchia) from the Bajo de la Carpa Formation (Upper Cretaceous; Neuquén, Argentina): New evidences of the early sebecosuchian diversification in Gondwana " . Comptes Rendus - Palevol 17, no. 8 (2018) : 504-521.
http://dx.doi.org/10.1016/j.crpv.2018.02.002
---------- MLA ----------
Leardi, J.M., Pol, D., Gasparini, Z. "New Patagonian baurusuchids (Crocodylomorpha; Notosuchia) from the Bajo de la Carpa Formation (Upper Cretaceous; Neuquén, Argentina): New evidences of the early sebecosuchian diversification in Gondwana " . Comptes Rendus - Palevol, vol. 17, no. 8, 2018, pp. 504-521.
http://dx.doi.org/10.1016/j.crpv.2018.02.002
---------- VANCOUVER ----------
Leardi, J.M., Pol, D., Gasparini, Z. New Patagonian baurusuchids (Crocodylomorpha; Notosuchia) from the Bajo de la Carpa Formation (Upper Cretaceous; Neuquén, Argentina): New evidences of the early sebecosuchian diversification in Gondwana . C. R. Palevol. 2018;17(8):504-521.
http://dx.doi.org/10.1016/j.crpv.2018.02.002