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Description of a sauropod dinosaur braincase from the Late Cretaceous Rio Colorado Subgroup, Patagonia.
An Acad Bras Cienc. 2006 Mar; 78(1):175-82.AA

Abstract

The fossil record of cranial material from titanosaurid sauropods is very poor and no complete skull has been described so far. Here we describe a new braincase (MUCPv-334) that was recovered from reddish sandstones of the Rio Colorado Subgroup (Late Cretaceous) of the region of Bajo del Añelo, approximately 20 km north of the town Añelo (Neuquén Province, Argentina). This specimen is attributed to the Titanosauridae based on the ventrally projected basipterygoid processes, a common condition shared by other titanosaurids. The robustness of MUCPv-334 together with an unusually expanded crista prootica and the presence of an anterior prolongation of the parasphenoid reaching the basal tubera were not reported in other members of the Titanosauridae, indicating a larger diversity in the braincase morphology of this sauropod clade than previously thought.

Authors+Show Affiliations

Centro Paleontológico Lago Barreales, Universidad Nacional del Comahue, 8300 Neuquén, Argentina.No affiliation info available

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

16532215

Citation

Calvo, Jorge O., and Alexander W. Kellner. "Description of a Sauropod Dinosaur Braincase From the Late Cretaceous Rio Colorado Subgroup, Patagonia." Anais Da Academia Brasileira De Ciencias, vol. 78, no. 1, 2006, pp. 175-82.
Calvo JO, Kellner AW. Description of a sauropod dinosaur braincase from the Late Cretaceous Rio Colorado Subgroup, Patagonia. An Acad Bras Cienc. 2006;78(1):175-82.
Calvo, J. O., & Kellner, A. W. (2006). Description of a sauropod dinosaur braincase from the Late Cretaceous Rio Colorado Subgroup, Patagonia. Anais Da Academia Brasileira De Ciencias, 78(1), 175-82.
Calvo JO, Kellner AW. Description of a Sauropod Dinosaur Braincase From the Late Cretaceous Rio Colorado Subgroup, Patagonia. An Acad Bras Cienc. 2006;78(1):175-82. PubMed PMID: 16532215.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Description of a sauropod dinosaur braincase from the Late Cretaceous Rio Colorado Subgroup, Patagonia. AU - Calvo,Jorge O, AU - Kellner,Alexander W, Y1 - 2006/03/08/ PY - 2006/3/15/pubmed PY - 2006/5/26/medline PY - 2006/3/15/entrez SP - 175 EP - 82 JF - Anais da Academia Brasileira de Ciencias JO - An Acad Bras Cienc VL - 78 IS - 1 N2 - The fossil record of cranial material from titanosaurid sauropods is very poor and no complete skull has been described so far. Here we describe a new braincase (MUCPv-334) that was recovered from reddish sandstones of the Rio Colorado Subgroup (Late Cretaceous) of the region of Bajo del Añelo, approximately 20 km north of the town Añelo (Neuquén Province, Argentina). This specimen is attributed to the Titanosauridae based on the ventrally projected basipterygoid processes, a common condition shared by other titanosaurids. The robustness of MUCPv-334 together with an unusually expanded crista prootica and the presence of an anterior prolongation of the parasphenoid reaching the basal tubera were not reported in other members of the Titanosauridae, indicating a larger diversity in the braincase morphology of this sauropod clade than previously thought. SN - 0001-3765 UR - https://www.unboundmedicine.com/medline/citation/16532215/Description_of_a_sauropod_dinosaur_braincase_from_the_Late_Cretaceous_Rio_Colorado_Subgroup_Patagonia_ L2 - https://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652006000100015&lng=en&nrm=iso&tlng=en DB - PRIME DP - Unbound Medicine ER -
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