Rio Neuquen Formation

Rio Neuquen Formation Stratigraphic range: Late Cretaceous
Type	Geological formation
Location
Region	South America

The Rio Neuquen Formation is a geological formation in Neuquen, Argentina whose strata date back to the Late Cretaceous. Dinosaur remains are among the fossils that have been recovered from the formation.^[1]

Vertebrate paleofauna

Color key Taxon Reclassified taxon Taxon falsely reported as present Dubious taxon or junior synonym Ichnotaxon Ootaxon Morphotaxon		Notes Uncertain or tentative taxa are in small text; crossed out taxa are discredited.

Dinosaurs reported from the Rio Neuquen Formation
Genus	Species	Location	Stratigraphic position	Material	Notes	Images
Antarctosaurus[2]	A. giganteus[2]			"[Two] femora, pubis."[3]	Rio Neuquen remains previously referred to A. giganteus are now attributed to some indeterminate sauropod.[2]	Rinconsaurus Unenlagia
	A. wichmannianus[2]
Megaraptor[2]	M. namunhuaiquii[2]			"Partial forelimb, manus, and pes."[4]
Patagonykus[2]	P. puertai[2]			"Partial postcranial skeleton."[5]
Rinconsaurus[2]	R. cadamirus[2]
Titanosaurus[2]	Indeterminate[2]				Titanosaurus is now considered a nomen dubium.
Unenlagia[2]	U. comahuensis[2]			"Fragmentary postcrania."[6]

See also

• List of dinosaur-bearing rock formations

Footnotes

1. Weishampel, David B; et al. (2004). "Dinosaur distribution (Late Cretaceous, South America)." In: Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.): The Dinosauria, 2nd, Berkeley: University of California Press. Pp. 600-604. ISBN 0-520-24209-2.
2. "Rio Neuquen Formation." Weishampel, et al. (2004). Pg. 603.
3. "Table 13.1," in Weishampel, et al. (2004). Page 270.
4. "Table 10.1," in Weishampel, et al. (2004). Page 199.
5. "Table 11.1," in Weishampel, et al. (2004). Page 211.
6. "Table 10.1," in Weishampel, et al. (2004). Page 198.

References

• Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.): The Dinosauria, 2nd, Berkeley: University of California Press. 861 pp. ISBN 0-520-24209-2.