Genus

Valid Extinct

Yamanasaurus

Apesteguía et al. 2020

Yamanasaurus is an extinct genus of saltasaurine titanosaurian dinosaur from the Río Playas Formation of Ecuador, which dates to the Campanian-Maastrichtian of the late Cretaceous period. The type and only species is Yamanasaurus lojaensis, representing the first non-avian dinosaur described from Ecuador. The holotype, consisting of fragments of a humerus, ulna, tibia, two sacral vertebrae and a single caudal, was discovered in 2017.

Temporal range

Triassic

Jurassic

Cretaceous

Paleogene

Neogene

252 201 145 66 0 Ma

PBDB occurrences

Group

Dinosaures

Herbivore Ground dwelling, gregarious Terrestrial

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A visual representation of Yamanasaurus lojaensis, first dinosaur discovered in Ecuador © Prehistopia · CC BY-SA 4.0 · Wikimedia

PBDB ↗ Wikipedia ↗

Classification

Dinosauria Unranked clade

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Saurischia Unranked clade

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Sauropodomorpha Unranked clade

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Massopoda Unranked clade

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Sauropodiformes Unranked clade

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Sauropoda Unranked clade

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Gravisauria Unranked clade

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Eusauropoda Unranked clade

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Neosauropoda Unranked clade

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Macronaria Unranked clade

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Titanosauriformes Unranked clade

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Somphospondyli Unranked clade

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Titanosauria Unranked clade

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Lithostrotia Unranked clade

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Saltasauroidea Superfamily

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Lohuecosauria Unranked clade

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Saltasauridae Unranked clade

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Saltasaurinae Subfamily

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Yamanasaurus Genus

Fossil sites 1 geolocated sites

Distribution

Top countries

🇪🇨 Ecuador

Geological formations

Río Playas

Temporal distribution

Maastrichtian (72.2–66 Ma)

Species (1)

Yamanasaurus lojaensis 72 Ma

Images 1

Bibliography

Original description

S. Apesteguía, J. E. Soto Luzuriaga, and P. A. Gallina, J. Tamay Granda, G. A. Guamán Jaramillo. 2020. The first dinosaur remains from the Cretaceous of Ecuador. Cretaceous Research 108:104345 DOI ↗

Bibliography (1)

Yamanasaurus

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