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Ichthyosaurians were air-breathing, warm-blooded, and bore live young. Many, if not all, species had a layer of blubber for insulation. Like other ancient marine reptiles, such as those in the clades Mosasauria and Plesiosauria , the genera in Ichthyosauria are not part of the clade Dinosauria .
Cast of the first known complete Ichthyosaurus specimen (originally referred to as Proteosaurus), which was destroyed during WW2. Ichthyosaurus was the first complete fossil to be discovered in the early 19th century by Mary Anning in England; [9] the holotype of I. communis, no coll. number given, [10] was a fairly complete specimen discovered by Mary and Joseph Anning around 1814 in Lyme ...
This list of ichthyosauromorphs is a comprehensive listing of all genera that have ever been included in the clade Ichthyosauromorpha, excluding purely vernacular terms.The list includes all commonly accepted genera, but also genera that are now considered invalid, doubtful (nomen dubium), or were not formally published (nomen nudum), as well as junior synonyms of more established names, and ...
The Ichthyosauromorpha are an extinct clade of Mesozoic marine reptiles consisting of the Ichthyosauriformes and the Hupehsuchia.. The node clade Ichthyosauromorpha was first defined by Ryosuke Motani et al. in 2014 as the group consisting of the last common ancestor of Ichthyosaurus communis and Hupehsuchus nanchangensis, and all its descendants.
Ichthyosauridae is an extinct family of thunnosaur ichthyosaurs from the latest Triassic and Early Jurassic (Rhaetian to Pliensbachian stages) of Europe, and possibly also from the middle Early Cretaceous (Hauterivian or Barremian stage) of Iraq.
The Ichthyosauriformes are a group of marine reptiles, belonging to the Ichthyosauromorpha, that lived during the Mesozoic.. The stem clade Ichthyosauriformes was in 2014 defined by Ryosuke Motani and colleagues as the group consisting of all ichthyosauromorphs that are more closely related to Ichthyosaurus communis than to Hupehsuchus nanchangensis.
The Ichthyotitan holotype specimen, BRSMG Cg3178 (the "BAS specimen"), was discovered in sediments of the Westbury Formation near Blue Anchor in Somerset.The first fragment was found on 28 May 2020 by 11-year-old Ruby Reynolds, while looking for fossils on the beach at Blue Anchor with her father, fossil collector Justin Reynolds.
Ichthyopterygia ("fish flippers") was a designation introduced by Sir Richard Owen in 1840 to designate the Jurassic ichthyosaurs that were known at the time, but the term is now used more often for both true Ichthyosauria and their more primitive early and middle Triassic ancestors.