Yamanasaurus (meaning "Yamana lizard") 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 (approximately 75-70 million years ago). 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.
Yamanasaurus (meaning "Yamana lizard") 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 (approximately 75-70 million years ago). 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.
== Etymology == The genus Yamanasaurus refers to the locality of Yamana, where the bones were found, which is located in southern Ecuador, about fifty kilometers from the Peruvian border.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).