Eoraptor (/ ˈiːoʊˌræptər /) is a genus of small, lightly built, basal sauropodomorph dinosaur. One of the earliest-known dinosaurs and one of the earliest sauropodomorphs, it lived approximately 231 to 228 million years ago, [1] during the Late Triassic in Western Gondwana, in the region that is now northwestern Argentina.

Sauropodomorpha (/ ˌsɔːrəˌpɒdəˈmɔːrfə / [3] SOR-ə-POD-ə-MOR-fə; from Greek, meaning "lizard-footed forms") is an extinct clade of long-necked, herbivorous, saurischian dinosaurs that includes the sauropods and their ancestral relatives.

Feb 16, 2017 · Non-sauropodan basal sauropodomorphs are a diverse and widespread group of herbivorous dinosaurs lived throughout much of Pangaea during Late Triassic to Early Jurassic 1. However, in China...

Jan 14, 2011 · Here, we describe a previously unidentified basal theropod, reassess its contemporary Eoraptor as a basal sauropodomorph, divide the faunal record of the Ischigualasto Formation with biozones, and bracket the formation with 40 Ar/ 39 Ar ages.

Jul 13, 2023 · Laboratory preparation revealed a well-preserved articulated skeleton of a new basal neornithischian dinosaur, which is the earliest neornithischian taxon from Southeast Asia.

Nov 20, 2024 · Before this, only two species of dinosaurs had tail clubs: the quadrupedal armored tanks known as ankylosaurs and the long-necked sauropods. Of those approximately 250 sauropod species, only three were known to have tail clubs. Those three were from basal (or early forms of) sauropods from China.

Feb 16, 2009 · We describe a new small sauropodomorph dinosaur from the Ischigualsto Formation (Carnian) in northwest Argentina, Panphagia protos gen. et sp. nov., on the basis of a partial skeleton.

Jan 14, 2011 · Upper Triassic rocks in northwestern Argentina preserve the most complete record of dinosaurs before their rise to dominance in the Early Jurassic. Here, we describe a previously unidentified basal theropod, reassess its contemporary Eoraptor as a basal sauropodomorph, divide the faunal record of th …

Dec 27, 2007 · The anatomy of a basal sauropodomorph (Dinosauria: Saurischia) from the Early Jurassic Hanson Formation of Antarctica is described in detail.

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