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Chota Formation

Geologic formation in Peru

The Chota Formation is an Early Campanian to Late Eocene geologic formation of the Cajamarca and western Amazonas Region in northern Peru. Dinosaur remains are among the fossils that have been recovered from the formation, although none have yet been referred to a specific genus ("Baguasaurus"). The formation was formerly named Bagua Formation.

01Fossil content

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

Sauropods

Sauropods of the Chota Formation
Genus Species Location Stratigraphic position Material Notes Images
Lithostrotia indet. Indeterminate Cajamarca Campanian to Maastrichtian A Lithostrotian titanosaur; informally known as "Baguasaurus".

Crocodylomorphs

Crocodylomorph of the Chota Formation
Genus Species Location Stratigraphic position Material Notes Images
Crocodylomorpha indet. Indeterminate Cajamarca Campanian to Maastrichtian Teeth Possibly a Notosuchia; previously known as Spinosauridae.

Fish

Fishes of the Chota Formation
Genus Species Location Stratigraphic position Material Notes Images
Pucabatis P. hoffstetteri Cajamarca Maastrichtian A rhombodontid rajiform
Watch videos about Chota FormationExplainers and documentaries on YouTube (opens in a new tab)

Sources and credits

This article is adapted from the Wikipedia article Chota Formation, written by its contributors and licensed under CC BY-SA 4.0. Fathomly has changed the layout, removed citation markers, navigation and maintenance notices, and adjusted punctuation. This adapted version is shared under the same license. For references, see the original article.

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