page_title: Río Colorado Subgroup
section_title: Ornithischians
hierarchical_section_title: Río Colorado Subgroup / Fossil content / Ornithischians
caption_attribution_description: English: Gasparinisaura cincosaltensis, an ornithopod from the Late Cretaceous of Argentina, pencil drawing, digital coloring
context_page_description: The Río Colorado Subgroup, formerly named as Río Colorado Formation, is a Late Cretaceous geologic subgroup of the Neuquén Basin in northern Patagonia, Argentina. It belongs to the Neuquén Group and contains the Anacleto and Bajo de la Carpa Formations. The subgroup overlies the Río Neuquén Subgroup and is overlain by the Allen Formation of the Malargüe Group, separated by an unconformity dated to 79 Ma. Dinosaur remains diagnostic to the genus level are among the fossils that have been recovered from the formation.
caption: Gasparinisaura
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