Panamericansaurus

Panamericansaurus is a genus of titanosaurian sauropod dinosaur from the Late Cretaceous Period of what is now South America. It is very similar to the closely related Aeolosaurus, differing only in details of the vertebrae.

Panamericansaurus
Temporal range: Late Cretaceous, 79–69 Ma
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Clade: Dinosauria
Clade: Saurischia
Suborder: †Sauropodomorpha
Clade: †Sauropoda
Clade: †Eusauropoda
Clade: †Neosauropoda
Clade: †Macronaria
Clade: †Titanosauria
Clade: †Lithostrotia
Genus: †Panamericansaurus
Calvo & Porfiri, 2010
Species:
†P. schroederi
Binomial name
†Panamericansaurus schroederi
Calvo & Porfiri, 2010

The type species Panamericansaurus schroederi was named and described by Jorge Orlando Calvo and Juan Domingo Porfiri in 2010. The generic name refers to the Pan American Energy company which financially supported the paleontological investigations. The specific name honours the Schroeder family on whose land the remains were found. The describers placed Panamericansaurus in a clade within the Titanosauridae, the Aeolosaurini, of which also Aeolosaurus and Gondwanatitan are members.

The holotype MUCPv-417 was in June 2003 found near San Patricio del Chañar, in Neuquén in a layer of the Allen Formation dating from the Campanian-Maastrichtian. It consists of five tail vertebrae, a sacral vertebra, a left humerus, haemal arches and rib fragments. The humerus is 123 centimetres long. The total length of the holotype individual was estimated at eleven metres.[1]

References
  1. Calvo, J.O. & Porfiri, J.D. (2010). "Panamericansaurus schroederi gen. nov. sp. nov. Un nuevo Sauropoda (Titanosauridae-Aeolosaurini) de la Provincia del Neuquén, Cretácico Superior de Patagonia, Argentina". Brazilian Geographical Journal: Geosciences and Humanities research medium. 1: 100–115.


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