The Quiriquina Formation is a geological formation in Chile whose strata date back to the Late Cretaceous. Dinosaur remains are among the fossils that have been recovered from the formation. The glauconitic sandstones and conglomerates of the formation were deposited in a marine environment. Vertebrate paleofauna Aristonectes quiriquinensis Australobaena chilensis Neogaeornis wetzeli Belonostomus longirostris Ischyrhiza chilensis Wunyelfia maulensis Cimoliasaurus sp. Pliosaurus sp. See also Arauco Basin Dorotea Formation List of dinosaur-bearing rock formations Quiriquina Island References Further reading H.-V. Karl and G. Tichy. 2002. Australobaena chilensis n. gen. n. sp., and the homology of secondary palatines in marine turtles (Anapsida: Testudines). Studia Geologica Salmanticensia 38:11-19 Mario E. Suárez, Henri Cappetta. 2004. Sclerorhynchid teeth from the Late Cretaceous of the Quiriquina Formation M. E. Suarez and O. Fritis. 2002. Nuevo registro de Aristonectes sp. (Plesiosauroidea incertae sedis) del Cretácico Tardío de la Formación Quiriquina, Cocholgüe, Chile. Boletín de la Sociedad de Biología de Concepción 73:87-93 Geologic formations of Chile Maastrichtian Stage of South America Cretaceous Chile Sandstone formations Fossiliferous stratigraphic units of South America Paleontology in Chile Geology of Biobío Region Mapuche language