Aug 31, 2018 · Based on this (unless I’m overlooking something major), I’d say we should tentatively consider the specimen AMNH 5767 to be among the largest known theropods.

Epanterias is a dubious genus of theropod dinosaur from the Tithonian age Upper Jurassic upper Morrison Formation of Garden Park, Colorado. It was described by Edward Drinker Cope in 1878. The type species is Epanterias amplexus. [1] . This genus is based on what is now AMNH 5767, parts of three vertebrae, a coracoid, and a metatarsal. [2] .

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Allosaurus was an apex predator. Although the average size was just shy of 30 feet, the largest known specimen, AMNH 5767, has an estimated length of 13m or 42.6 feet (Madsen 1976). Allosaurus is characterized by a large and slender head, crests over its forward-facing eyes, and many dagger-like serrated teeth.

Sep 1, 2018 · [Intro] The "Epanterias" specimen, AMNH 5767, was originally described as a sauropod by Cope in 1878, later redescribed and identified as a theropod by Osborn & Mook (1921) and as indistinguishable from Allosaurus fragilis by Chure (2000).

Epanterias is a dubious genus of theropod dinosaur from the Kimmeridgian-Tithonian age Upper Jurassic upper Morrison Formation of Garden Park, Colorado. It was described by Edward Drinker Cope in 1878. The type species is Epanterias amplexus. This genus is based on what is now AMNH 5767, parts...

Jan 17, 2024 · He classified what is now known as AMNH 5767, a collection featuring vertebrae and other skeletal fragments, attributing it to a new dinosaur genus. Epanterias, a giant theropod dinosaur, boasted a formidable skeletal structure that included unique vertebrae and a …

Holotype: AMNH 5767. Locality: Garden Park, Canon City, Fremont County, Colorado. Horizon: Morrison Formation. Biostratigraphy: Zone? Age: Age? Stage? Epoch? Late Jurassic. Material: Axis, 4th or 5th cervical centrum, 2 dorsal vertebrae, coracoid, and fragmentary limb bones. A-C, Axis or cervical 2: A, Anterior. B, Left lateral. C, Posterior.

Epanterias amplexus: AMNH 5767. Its type locality is Cope Quarry III, Cope's Nipple, which is in a Tithonian dry floodplain mudstone in the Morrison Formation of Colorado. Labrosaurus ferox: USNM 2315, a mandible.

a nomen dubium because holotype AMNH 5767, consisting of a few vertebrae, a pectoral element and a limb bone, is insufficiently diagnostic. Also unsatisfactorily