References
Reference
Gasparini, Zulma Brandoni de and de la Fuente, M. S. (2000) Tortugas y plesiosaurios de la formación la colona (cretácico superior) de Patagonia, Argentina; Revista Espanola de Paleontologia, 15(1), pp.23-35
Tortugas y plesiosaurios de la formación la colona (cretácico superior) de Patagonia, Argentina
Principal Author
Zulma Brandoni de Gasparini
Other Authors
M. S. de la Fuente
Header
Academic paper
Journal
Revista Espanola de Paleontologia
Volume
15
Issue
1
Pages
23-35
Abstract
The turtles and one plesiosaur of the La Colonia Formation (Upper Cretaceous) outcropping in the southern slopes of Macizo Nordpatagonico are described. The reptiles were found in La Colonia area, located in the central-north Chubut province. The chelonian fauna of La Colonia Formation is composed by at less five taxa of Chelidae (Pleurodira) and one of Meiolaniidae (Cryptodira). The new skull remains of Sulcusuchus erraini Gasparini and Spalletti, 1990 allow us to assign this species to a long-snout plesiosaur of the family Polycotylidae. From a paleobiogeographic point of view in La Colonia Formation reptil groups of different origin and geographic range were found together: South gondwanian chelonians and snakes, plesiosaurs related to North American species, and gondwanian theropods.
Keywords
Chelonii, Plesiosauria, La Colonia Formation, Upper Cretaceous, Patagonia, Argentina.
Language
Spanish