INVESTIGADORES
OTERO Alejandro
artículos
Título:
New titanosaur (Dinosauria, Sauropoda) with unusual haemal arches from the Upper Cretaceous of Neuquén Province, Argentina
Autor/es:
ALEJANDRO OTERO; JUAN CANALE; ALEJANDRO HALUZA; JORGE CALVO
Revista:
AMEGHINIANA
Editorial:
ASOCIACION PALEONTOLOGICA ARGENTINA
Referencias:
Lugar: Buenos Aires; Año: 2011 vol. 48 p. 655 - 661
ISSN:
0002-7014
Resumen:
ABSTRACT. A new of titanosaur sauropod is described. It comes from Candeleros Formation (Upper Cretaceous) of Villa El Chocón, Neuquén Province, Argentina. The material consists of two series of middle and middle-posterior caudal vertebrae with it associated haemal arches. The anteriormost series present gently amphycoelus centra and craniocaudally elongated neural spines. The most intriguing feature of the specimen yields on the chevrons, which displays combined characteristics between chevron extremes morphotypes known for sauropods (forked and Y type)