Elasmosaurus - Wikipedia
Elasmosaurus (/ ɪˌlæzməˈsɔːrəs, - moʊ -/ [1]) is a genus of plesiosaur that lived in North America during the Campanian stage of the Late Cretaceous period, about 80.5 million years ago.
Elasmosauridae - Wikipedia
Elasmosauridae is an extinct family of plesiosaurs, often called elasmosaurs. They had the longest necks of the plesiosaurs and existed from the Hauterivian to the Maastrichtian stages of the Cretaceous, and represented one of the two groups of plesiosaurs present at the end of the Cretaceous alongside Polycotylidae.
10 Facts About Elasmosaurus, Ancient Marine Reptile - ThoughtCo
2019年6月12日 · One of the first identified marine reptiles, and an instigator of the 19th-century fossil hunt known as the Bone Wars, Elasmosaurus was a long-necked predator. The plesiosaur lived in North America during the Late Cretaceous period.
Elasmosaurus Profile: The Prehistoric Marine Reptile - Ocean Info
Despite its impressive neck length, the Elasmosaurus could likely only raise its head above water while in shallow ponds. Elasmosaurus platyurus, a giant plesiosaur discovered in 1867 by a military doctor and scout in Kansas, was an ancient marine reptile of the Late Cretaceous period.
Elasmosaurus | fossil marine reptile | Britannica
For example, Elasmosaurus, a plesiosaurid, had as many as 76 vertebrae in its neck alone and reached a length of about 13 metres (43 feet), fully half of which consisted of the head and neck. In contrast, Kronosaurus, an early Cretaceous pliosaur whose fossils have been unearthed…
Fossil 'sea monster' found in Antarctica was the heaviest of its kind
2019年6月7日 · It took decades of struggling with the weather on a small, desolate island off the Antarctic Peninsula. But now, scientists have finally unearthed the heaviest known elasmosaur, an ancient...
Elasmosaurus - A-Z Animals
2024年5月27日 · Elasmosaurus is a genus of plesiosaur that lived in the Late Cretaceous period in the Western Interior Seaway of North America.
Elasmosaurus: Overview, Size, Habitat, & Other Facts
Elasmosaurus, the ancient marine reptile, has captivated scientists and paleontology enthusiasts alike with its unique physical characteristics and its place in Earth’s history.
Elasmosaur - Encyclopedia of Alabama
2023年9月12日 · Elasmosaur vertebrae can be easily distinguished from mosasaur vertebrae by their large size, oval or heart-shaped appearance. Elasmosaur vertebrae are relatively flat on the front and back surfaces that contact the other vertebrae in the backbone.
Elasmosaurus Facts, Adaptation, Classification and Species
2022年4月5日 · Elasmosaurus was a genus of Plesiosauria that lived around 80.5 million years ago. It is believed that their population went extinct around 65 million years ago during the Cretaceous–Tertiary (K–T) extinction event. Elasmosaurus had a long neck (around 25 feet) with 71 neck vertebrae that offered a great flexibility to control their head.
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