LOWER CRETACEOUS REBBACHISAURID SAUROPODS FROM CERRO AGUADA DEL LEÓN (LOHAN CURA FORMATION), NEUQUÉN PROVINCE, NORTHWESTERN PATAGONIA, ARGENTINA

We describe sauropod material from the Lower Cretaceous (Aptian-Albian) Puesto Quiroga Member of the Lohan Cura Formation, exposed at the Cerro Aguada del León locality (La Picaza area, Neuquén Province, Argentina). The remains consist of disarticulated elements of at least three individuals, and ar...

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Published in:Journal of vertebrate paleontology 2004-12, Vol.24 (4), p.903-912
Main Authors: SALGADO, LEONARDO, GARRIDO, ALBERTO, COCCA, SERGIO E, COCCA, JUAN R
Format: Article
Language:English
Subjects:
Cenomanian age
Dinosaurs
Geology
Holotypes
Pelvic bones
Phylogeny
Spine
Teeth
Vertebrae
Vertebrate paleontology
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creator SALGADO, LEONARDO
GARRIDO, ALBERTO
COCCA, SERGIO E
COCCA, JUAN R
description We describe sauropod material from the Lower Cretaceous (Aptian-Albian) Puesto Quiroga Member of the Lohan Cura Formation, exposed at the Cerro Aguada del León locality (La Picaza area, Neuquén Province, Argentina). The remains consist of disarticulated elements of at least three individuals, and are assigned to an indeterminate species of the rebbachisaurid diplodocoid Limaysaurus gen. nov. Elements from various parts of the skeleton are represented: a tooth, partial dorsal, sacral, and caudal vertebrae, a haemal arch, coracoid, humerus, ilium, pubes, ischium, femora, a tibia fragment, and an incomplete fibula. The Lohan Cura specimens are strongly reminiscent of corresponding elements in the holotype of Limaysaurus tessonei (=“Rebbachisaurus” tessonei, “Rayososaurus” tessonei) from the overlying Upper Cretaceous (lower Cenomanian) Candeleros Formation. We evaluate the phylogenetic relationships of Limaysaurus gen. nov. and other diplodocoids, and provide hypotheses regarding sauropod evolution during the Cretaceous.
doi_str_mv 10.1671/0272-4634%282004%29024%5B0903%3ALCRSFC%5D2.0.CO%3B2
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source JSTOR Archival Journals and Primary Sources Collection; Taylor and Francis Science and Technology Collection
subjects Cenomanian age
Dinosaurs
Geology
Holotypes
Pelvic bones
Phylogeny
Spine
Teeth
Vertebrae
Vertebrate paleontology
title LOWER CRETACEOUS REBBACHISAURID SAUROPODS FROM CERRO AGUADA DEL LEÓN (LOHAN CURA FORMATION), NEUQUÉN PROVINCE, NORTHWESTERN PATAGONIA, ARGENTINA
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