| Gavialinum | |
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| Hypothetical life reconstruction of Gavialinum rhodani | |
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| Genus: | †Gavialinum Lortet, 1892 |
| Binomial name | |
| †Gavialinum rhodoni Lortet, 1892 | |
Gavialinum is an extinct genus of teleosaurid thalattosuchian. The type species is Gavialinum rhodoni.
Fossils have been found from France that date back to the Bathonian stage of the Middle Jurassic. [1]
Gavialinum rhodoni has a long, narrow snout, much like the current gavialids, from which the Gavialinum genus gets its name. [2] The two are not related, as Gavialinum rhodoni occurred much earlier than any crocodilian.[ citation needed ]Gavialinum had 33 teeth on each jaw, for a total of 66. [3]
The Chelydridae is a family of turtles that has seven extinct and two extant genera. The extant genera are the snapping turtles, Chelydra and Macrochelys. Both are endemic to the Western Hemisphere. The extinct genera are Acherontemys, Chelydrops, Chelydropsis, Emarginachelys, Macrocephalochelys, Planiplastron, and Protochelydra.
Henri Marie Ducrotay de Blainville was a French zoologist and anatomist.
Alcide Charles Victor Marie Dessalines d'Orbigny was a French naturalist who made major contributions in many areas, including zoology, palaeontology, geology, archaeology and anthropology.
Cetiosaurus meaning 'whale lizard', from the Greek keteios/κήτειος meaning 'sea monster' and sauros/σαυρος meaning 'lizard', is a herbivorous sauropod dinosaur from the Middle Jurassic Period, living about 167 million years ago in what is now Europe.
Hypselosaurus is a dubious genus of titanosaurian sauropod that lived in southern France during the Late Cretaceous, approximately 70 million years ago in the early Maastrichtian. Hypselosaurus was first described in 1846, but was not formally named until 1869, when Phillip Matheron named it under the binomial Hypselosaurus priscus. The holotype specimen includes a partial hindlimb and a pair of caudal vertebrae, and two eggshell fragments were found alongside these bones. Because of the proximity of these eggshells to the fossil remains, many later authors, including Matheron and Paul Gervais, have assigned several eggs from the same region of France all to Hypselosaurus, although the variation and differences between these eggs suggest that they do not all belong to the same taxon. Hypselosaurus has been found in the same formation as the dromaeosaurids Variraptor and Pyroraptor, the ornithopod Rhabdodon, and the ankylosaurian Rhodanosaurus, as well as indeterminate bones from other groups.
Teinurosaurus is a genus of carnivorous theropod dinosaur. Teinurosaurus lived during the Late Jurassic in what is now Portugal. The type species is Teinurosaurus sauvagei. It's been estimated to be 11.4 m in length and 3.6 tonnes in weight.
Neosaurus is an extinct genus of pelycosaur-grade synapsids from the Late Carboniferous-Early Permian of the Jura region of France. It is known only from a partial maxilla or upper jaw bone and an associated impression of the bone. The teardrop shape of the teeth in the jaw indicate that Neosaurus belongs to the family Sphenacodontidae, which includes the better-known Dimetrodon from the Southwestern United States. The maxilla was first attributed to an early diapsid reptile in 1857, and later a crocodylomorph in 1869, before finally being identified as a sphenacodont synapsid in 1899, a classification that still holds today.
Erectopus is a basal allosauroid theropod from the Lower Cretaceous of France.
Teleosaurus is an extinct genus of teleosaurid crocodyliform found in the Middle Jurassic Calcaire de Caen of France. It was approximately 3 metres (10 ft) in length. The holotype is MNHN AC 8746, a quarter of a skull. Other fragmentary specimens are known. A single species, T. cadomensis, exists. It was previously considered a wastebasket taxon, with many other remains assigned to the genus.
Proteroctopus ribeti was a primitive octopod that lived in the Middle Jurassic, approximately 164 million years ago. The single fossil specimen assigned to this species originates from the Lower Callovian of Voulte-sur-Rhône in France. It is currently on display at the Musée de Paléontologie de La Voulte-sur-Rhône.
Argiles et Grès à Reptiles Formation, also known as the Argiles Rutilantes Formation is an early Maastrichtian French geologic formation in the département of Var preserving the remains of several types of dinosaurs and other extinct organisms.
Louis Charles Émile Lortet was a French physician, botanist, zoologist and Egyptologist who was a native of Oullins.
Saint-Vallier is a commune in the Drôme department in southeastern France. It is an administrative, commercial and industrial town at the confluence of the rivers Galaure and Rhone.
Iberosuchus is a genus of extinct sebecosuchian mesoeucrocodylian found in Western Europe from the Eocene. Remains from Portugal was described in 1975 by Antunes as a sebecosuchian crocodilian. This genus has one species: I. macrodon. Iberosuchus was a carnivore, unlike the crocodilians today, they are not aquatic and are instead terrestrial.
Steneosaurus is a dubious genus of teleosaurid crocodyliform from the Middle or Late Jurassic of France. The genus has been used as a wastebasket taxon for thalattosuchian fossils for over two centuries, and almost all known historical species of teleosauroid have been included within it at one point. The genus has remained a wastebasket, with numerous species still included under the label ‘Steneosaurus’, many of which are unrelated to each other.
Sauravus is an extinct genus of nectridean lepospondyl within the family Scincosauridae.
Archeosolenocera straeleni is an extinct species of prawn, the only species in the genus Archeosolenocera. It lived in the Callovian, and has been found in the Lagerstätte at La Voulte-sur-Rhône, southern France.
Rhodanicaris is an extinct genus of prawn which is preserved in the Callovian la Voulte-sur-Rhône lagerstätte.
Gracilineustes is an extinct genus of marine crocodyliform that lived in the oceans during the Middle to Late Jurassic. Gracilineustes was a carnivore that spent much, if not all, its life out at sea.
Paraplacosauriops is an extinct genus of anguid lizards from the middle Eocene of France.
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