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Elasmosaurus was the first major fossil discovery in Kansas (and the largest from there at the time), and marked the beginning of a fossil collecting rush that sent thousands of fossils from Kansas to prominent museums on the American east coast. [3]
The fossil was found in the Bearpaw Formation, a late Campanian/early Maastrichtian rock, making it one of the last known elasmosaurids to have lived in the Western Interior Seaway. [ 2 ] N. bradti was only 5.1 to 5.6 metres (17 to 18 ft) in length, making it one of the smallest elasmosaurids known. [ 2 ]
A photograph of a front flipper of Plesioelasmosaurus, taken in the 1930s by George F. Sternberg, was captioned as belonging to "a large plesiosaur, which would have measured from 40 to 60 feet in length" (12.2 to 18.3 m).
Life restoration of the Late Cretaceous plesiosaur Elasmosaurus with an anachronistic human to scale †Elasmosaurus – type locality for genus †Elasmosaurus nobilis – type locality for species †Elasmosaurus platyurus – type locality for species †Elasmosaurus sternbergi – type locality for species †Enchodus †Enchodus gladiolus
Albertonectes was first described and named by Tai Kubo, Mark T. Mitchell and Donald M. Henderson in 2012 and the type species is Albertonectes vanderveldei.The generic name is derived from Alberta, in reference to the Canadian province where the holotype was found, and from Greek nectes, meaning "swimmer", a common suffix for genus names of plesiosaurians.
Restoration Detail of Thalassomedon skull at the American Museum of Natural History. Thalassomedon is among the largest elasmosaurids, with the holotype measuring 10.86 metres (35.6 ft) long and weighing more than 4.44 metric tons (4.89 short tons).
The "Yellowstone" Season 5 finale just left viewers wanting more and they may just get their wish.On Dec. 15, the popular series wrapped up its fifth season with an explosive finale that killed ...
Two potential specimens which were identified as cf. Wapuskanectes, TMP 2011.88.1 and TMP 2012.50.1, preserve gastroliths.The former's gastroliths were primarily composed of black, polished chert pebbles with some minor quartzites, and the latter's were likely the same, although only a few of its gastroliths were visible, the largest of which weighed 14.5 grams.