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Ichthyotitan
''Ichthyotitan'' ( ) is an extinct genus of giant ichthyosaur from the Late Triassic (Rhaetian), known from the Westbury Formation, Westbury Mudstone Formation in Somerset, England. It is believed to be a shastasaurid, extending the family's range by years up to the latest Triassic. The discovery of ''Ichthyotitan'' has been considered evidence that shastasaurids were still thriving until their disappearance in the Triassic–Jurassic extinction event. The genus contains a Monotypic taxon, single species, ''I. severnensis''. It is known from two fragmentary surangular bones of the lower jaw, discovered in separate places in 2016 and 2020. Other specimens throughout Western Europe have been linked to the species based on similar Osteology, osteological features, although their affiliation is uncertain. Estimates scaling up the bones from other ichthyosaur species put ''Ichthyotitan'' body length at nearly , which would make it the largest marine reptile currently known. Discov ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Westbury Formation
The Westbury Formation is a geological Formation (geology), formation in England, one of the Penarth Group. It dates back to the Rhaetian.Weishampel, David B; et al. (2004). "Dinosaur distribution (Late Triassic, Europe)." In: Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.): The Dinosauria, 2nd, Berkeley: University of California Press. Pp. 521–525. . The formation is named after the village of Westbury-on-Severn in Gloucestershire. The remains of a giant Shastasauridae, shastasaurid and Dinosaur, dinosaurs are known from the formation. Vertebrate fauna See also * List of dinosaur-bearing rock formations References {{Reflist Triassic System of Europe Rhaetian Stage Geologic formations of England ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
