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
1
Group
Dinosaures
Herbivore Ground dwelling, gregarious Terrestrial
Yamanasaurus
click to enlarge
A visual representation of Yamanasaurus lojaensis, first dinosaur discovered in Ecuador © Prehistopia · CC BY-SA 4.0 · Wikimedia
Yamanasaurus
Yamanasaurus
PBDB ↗ Wikipedia ↗
Classification
Dinosauria Unranked clade
›
Saurischia Unranked clade
›
Sauropodomorpha Unranked clade
›
Massopoda Unranked clade
›
Sauropodiformes Unranked clade
›
Sauropoda Unranked clade
›
Gravisauria Unranked clade
›
Eusauropoda Unranked clade
›
Neosauropoda Unranked clade
›
Macronaria Unranked clade
›
Titanosauriformes Unranked clade
›
Somphospondyli Unranked clade
›
Titanosauria Unranked clade
›
Lithostrotia Unranked clade
›
Saltasauroidea Superfamily
›
Lohuecosauria Unranked clade
›
Saltasauridae Unranked clade
›
Saltasaurinae Subfamily
›
Yamanasaurus Genus
Measurements
Length
7,1 m ⓘ
Yamanasaurus lojaensis
Mass
1 500 kg ⓘ
Yamanasaurus lojaensis
Fossil sites 1 geolocated sites
Distribution
Top countries
🇪🇨 Ecuador
1
Geological formations
Río Playas
1
Temporal distribution
Maastrichtian (72.2–66 Ma)
1
Species (1)
Yamanasaurus lojaensis 72 Ma
Images 2
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)
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 ↗