“Rulers of the Jurassic seas”. [11], Cladogram below based on Maisch and Matzke (2000)[18] and Maisch and Matzke (2003)[19] with clade names following Maisch (2010):[11], The habitat of Temnodontosaurus was in the open ocean, away from the shore line. An ichthyosaur skull from the Cretaceous of Wyoming. [3], The validity of the species T. burgundiae has been disputed.
[3], The species T. eurycephalus has only one specimen, a holotype. Canadian Journal of Earth Sciences 33(7): 1011-1021, Sander,P.M.(2000). Although "the giant skull" may prove the more significant of the two recent discoveries, Sander says there's plenty to celebrate about the pregnant ichthyosaur dubbed … (2000). [7], Temnodontosaurus is the only genus in the family Temnodontosauridae. "A revision of the longipinnate ichthyosaurs of the Lower Jurassic of England, with descriptions of two new species (Reptilia, Ichthyosauria)". [15] Due to its more robust teeth and deeper jaw, T. eurycephalus probably ate large prey such as other ichthyosaurs, while species such as T. platyodon with pointed but more modest sized teeth perhaps preferred soft-bodied prey and smaller vertebrates such as fish. In lieu of a physical exhibition here is one of the prize exhibits, an exquisitely preserved ichthyosaur skull of the genus Hauffiopteryx.
The ichthyosaur was subsequently described by the anatomist Sir Everard Home, in what was the first scientific description … [7], Fossils of Temnodontosaurus have been found in England, Germany and France from rocks associated with marine environments. [7][8] Its teeth typically had two or three carinae,[7] however the species T. nuertingensis possessed none. In lieu of a physical exhibition here is one of the prize exhibits, an exquisitely preserved ichthyosaur skull of the genus. Atom This helped to increase flexibility while swimming. [20] The newly described species T. azerguensis was found in a belemite rich marlstone bed in the Bifrons ammonites zone, Middle Toarcian, in Belmont d’Azergues, Rhone, France. The specimen he used to back up his argument was one collected by David Sole in 1987 from Black Ven (East of Lyme Regis).
McGowan C. (1996). An ichthyosaur skull from the Cretaceous of Wyoming. Scientific American. In 1998, Maisch identified this name as a junior synonym of T. nov., from the Middle Triassic of Monte San Giorgio (Switzerland), with a survey of the genus in Europe. The specimen (BMNH 2149) was found in the Lias of Lyme Regis by Joseph Anning in 1811. Her findings contributed to changes in scientific thinking about prehistoric life and the history of the Earth. Like other ichthyosaurs, Temnodontosaurus likely had high visual capacity[14] and used vision as its primary sense while hunting. It is currently located at the Musee des Amis de la Mine in Saint-Pierre La Palud, Rhone department, France. [3], Temnodontosaurus had a thunniform, or "fish-shaped" body form. Temnodontosaurus (Greek for “cutting-tooth lizard” - temno, meaning “to cut”, odont meaning “tooth” and sauros meaning “lizard”) is an extinct genus of ichthyosaurs from the Early Jurassic, ranging between 200 and 175 million years ago (Hettangian - Toarcian), and known from Europe (England, France, Germany and Belgium) and Chile. [6] The type specimen for T. trigonodon is an almost complete skeleton from the upper Liassic of Banz, Germany[6] of the Lower Toarcian. On account of information gathered from CT filters, specialists Nigel Larkin and Laura Porro could carefully remake the whole skull in 3D. [7] It also had an elongated maxilla,[5] a long cheek region[7] and a long postorbital segment.
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