Article (Scientific journals)
A new titanosaur (Dinosauria: Sauropoda) from the Upper Cretaceous of Velaux-La-Bastide Neuve (southern France)
Díez Díaz, Verónica; Garcia, Géraldine; Pereda-Suberbiola, Xabier et al.
2021In Historical Biology
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Keywords :
France; Garrigatitan meridionalis; Late Cretaceous; Lirainosaurinae; Sauropoda; Titanosauria
Abstract :
[en] Remains of Garrigatitan meridionalis nov. gen. et sp. were found in two bonebeds of sequence 2 from the upper Campanian site of Velaux-La Bastide Neuve (Aix-en-Provence Basin, Bouches du Rhône department). The vertebrate assemblage is dominated by dinosaurs, including the titanosaur Atsinganosaurus velauciensis. Garrigatitan meridionalis presents three diagnostic characters: hourglass-shaped humeri (proximal and distal thirds of almost the same transversal width) in anterior and posterior views, ilium with a broad rounded hollow slightly posterior to the base of the pubic peduncle, proximolateral margin of the femur only slightly medially deflected. Garrigatitan was a small to medium-sized sauropod (sub/adult individuals between 4-6 metres and 2-2.5 tonnes), showing anatomical differences with Atsinganosaurus, and with the other Late Cretaceous Ibero-Armorican titanosaurs. Large titanosaurian specimens found at Velaux-La Bastide Neuve could belong to adult Garrigatitan individuals reaching a body length of at least 12 metres. Histological analysis of long bones shows features similar to other Late Cretaceous European titanosaurs, indicating that all individuals had reached skeletal maturity (presence of an EFS, heavy remodelling HOS 12 to 14). The new taxon is recovered within the clade Lirainosaurinae. Garrigatitan meridionalis increases the diversity of Late Cretaceous titanosaurs within the Ibero-Armorican Island.
Research center :
EDDyLab (ULiège)
AMGC (VUB)
Disciplines :
Veterinary medicine & animal health
Earth sciences & physical geography
Anatomy (cytology, histology, embryology...) & physiology
Author, co-author :
Díez Díaz, Verónica;  Museum für Naturkunde, Leibniz-Institut für Evolutions-und Biodiversitätsforschung, Berlin, Germany
Garcia, Géraldine;  Laboratoire de Paléontologie, Evolution, Paléoécosystèmes et Paléoprimatologie (PALEVOPRIM, UMR 7262 CNRS INEE), Université de Poitiers, Poitiers cedex, France
Pereda-Suberbiola, Xabier;  Facultad de Ciencia y Tecnología, Departamento de Geología, Universidad del País Vasco/Euskal Herriko Unibertsitatea, Bilbao, Spain
Jentgen, Benjamin ;  Université de Liège - ULiège > GEOLOGY
Stein, Koen ;  Université de Liège - ULiège > Département de géologie > Evolution and diversity dynamics lab
Godefroit, Pascal ;  Université de Liège - ULiège > Département de géologie > Evolution and diversity dynamics lab
Valentin, Xavier;  Laboratoire de Paléontologie, Evolution, Paléoécosystèmes et Paléoprimatologie (PALEVOPRIM, UMR 7262 CNRS INEE), Université de Poitiers, Poitiers cedex, France
Language :
English
Title :
A new titanosaur (Dinosauria: Sauropoda) from the Upper Cretaceous of Velaux-La-Bastide Neuve (southern France)
Alternative titles :
[fr] Un nouveau titanosaure (Dinosauria : Sauropoda) du Crétacé supérieur de Velaux-La Bastide Neuve (sud de la France)
Publication date :
December 2021
Journal title :
Historical Biology
ISSN :
0891-2963
eISSN :
1029-2381
Publisher :
Taylor & Francis, United Kingdom
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
FRIA - Fonds pour la Formation à la Recherche dans l'Industrie et dans l'Agriculture [BE]
Available on ORBi :
since 31 May 2021

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