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Dinosauria

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Reconstruction of Tuebingosaurus maierfritzorum gen. et sp. nov. as a quadruped dinosaur, using the outline of Riojasaurus as a base ‒ next to the silhouette of Friedrich von Huene. The drawing of the bones is based on and modified from the original illustrations of specimen “GPIT IV” in von Huene (1932, pl. 38) that have been replicated in the literature. The right fibula is marked in grey as it was found nearby with similar measurements to the left fibula and has been assumed to be part of the same individual.
Taxons Tuebingosaurus

Reconstruction of Tuebingosaurus maierfritzorum gen. et sp. nov. as a quadruped dinosaur, using the outline of Riojasaurus as a base ‒ next to the silhouette of Friedrich von Huene. The drawing of the bones is based on and modified from the original illustrations of specimen “GPIT IV” in von Huene (1932, pl. 38) that have been replicated in the literature. The right fibula is marked in grey as it was found nearby with similar measurements to the left fibula and has been assumed to be part of the same individual.

os dessin spécimen Dinosauria +2
Reconstruction of Bravasaurus arreirosorum a titanosaur dinosaur from the Late Cretaceous of Argentina
Taxons Bravasaurus

Reconstruction of Bravasaurus arreirosorum a titanosaur dinosaur from the Late Cretaceous of Argentina

Argentine Crétacé Crétacé supérieur Bravasaurus +2
Shri rapax 3D skeletal reconstruction by Alex Pritchard of Dinosaur Skeletons.
Taxons Shri

Shri rapax 3D skeletal reconstruction by Alex Pritchard of Dinosaur Skeletons.

Dinosauria Shri squelette
Reconstructed skull of Jaxartosaurus aralensis Riabinin, 1937. Only a posterior portion of the skull, as well as a surangular is known, with the rest of the skull being based mostly upon File:Aralosaurus skull.png. Jaxartosaurus is currently classified as a basal lambeosaurine, more derived than Aralosaurini, but more primitive than Parasaurolophini and Lambeosaurini. It might be more derived than Tsintaosaurini (Godefroit et al., 2004). References: 
Riabinin, A.M. (1937). "A New Finding of Dinosaurs in the Trans-Baikal Region". Ezhegodn. Vserossijskogo Palaeont. Obstcg. 11: 142–144
Godefroit, P.; Bolotsky, Y.L.; Van Itterbeeck, J. (2004). "The lambeosaurine dinosaur Amurosaurus riabinini, from the
Maastrichtian of Far Eastern Russia". Acta Palaeontologica Polonica 49(4): 585–618
Taxons Jaxartosaurus

Reconstructed skull of Jaxartosaurus aralensis Riabinin, 1937. Only a posterior portion of the skull, as well as a surangular is known, with the rest of the skull being based mostly upon File:Aralosaurus skull.png. Jaxartosaurus is currently classified as a basal lambeosaurine, more derived than Aralosaurini, but more primitive than Parasaurolophini and Lambeosaurini. It might be more derived than Tsintaosaurini (Godefroit et al., 2004). References: Riabinin, A.M. (1937). "A New Finding of Dinosaurs in the Trans-Baikal Region". Ezhegodn. Vserossijskogo Palaeont. Obstcg. 11: 142–144 Godefroit, P.; Bolotsky, Y.L.; Van Itterbeeck, J. (2004). "The lambeosaurine dinosaur Amurosaurus riabinini, from the Maastrichtian of Far Eastern Russia". Acta Palaeontologica Polonica 49(4): 585–618

Russie Maastrichtien Amurosaurus Aralosaurini +7
Line diagram of the holotype specimen (ZPAL MgD-I/117) of the protoceratopsid Breviceratops kozlowskii. Based on Maryańska & Osmólska 1975,[1] and Czepiński 2019.[2]
References

↑ (1975). "Protoceratopsidae (Dinosauria) of Asia". Palaeontologia Polonica 33: 134−143. Archived from the original on 2018-09-21. Retrieved on 2021-07-25.

↑ (2019). "Ontogeny and variation of a protoceratopsid dinosaur Bagaceratops rozhdestvenskyi from the Late Cretaceous of the Gobi Desert". Historical Biology: 1−28. DOI:10.1080/08912963.2019.1593404. Archived from the original on 2021-07-08. Retrieved on 2021-07-25.
Taxons Breviceratops

Line diagram of the holotype specimen (ZPAL MgD-I/117) of the protoceratopsid Breviceratops kozlowskii. Based on Maryańska & Osmólska 1975,[1] and Czepiński 2019.[2] References ↑ (1975). "Protoceratopsidae (Dinosauria) of Asia". Palaeontologia Polonica 33: 134−143. Archived from the original on 2018-09-21. Retrieved on 2021-07-25. ↑ (2019). "Ontogeny and variation of a protoceratopsid dinosaur Bagaceratops rozhdestvenskyi from the Late Cretaceous of the Gobi Desert". Historical Biology: 1−28. DOI:10.1080/08912963.2019.1593404. Archived from the original on 2021-07-08. Retrieved on 2021-07-25.

ontogenèse Crétacé Crétacé supérieur holotype +5
Megacephalosaurus eulerti reconstructed skull in the Rocky Mountain Dinosaur Resource Center, Woodland Park, Colorado.
Taxons Megacephalosaurus

Megacephalosaurus eulerti reconstructed skull in the Rocky Mountain Dinosaur Resource Center, Woodland Park, Colorado.

Dinosauria Megacephalosaurus crâne
Dinosaur's Museum in Savannakhet, Laos
Taxons Tangvayosaurus

Dinosaur's Museum in Savannakhet, Laos

musée Laos Dinosauria Tangvayosaurus
Caririchnium leonardii - dinosaur track from the Cretaceous of Colorado, USA. (replica; public display, Red Rocks Amphitheater visitor center, west of Denver, Colorado, USA)
Dinosaur Ridge, Colorado has numerous dinosaur fossils, including bones and tracks.  The most common track type at the site is Caririchnium leonardii, which was made by an iguanodontid dinosaur.  The large, wide, three-toed print was produced by a hindfoot.
Stratigraphy: Dakota Sandstone, upper Lower Cretaceous

Provenance: eastern side of Dinosaur Ridge, Dakota Hogback, west of Denver, north-central Colorado, USA
Taxons Caririchnium

Caririchnium leonardii - dinosaur track from the Cretaceous of Colorado, USA. (replica; public display, Red Rocks Amphitheater visitor center, west of Denver, Colorado, USA) Dinosaur Ridge, Colorado has numerous dinosaur fossils, including bones and tracks. The most common track type at the site is Caririchnium leonardii, which was made by an iguanodontid dinosaur. The large, wide, three-toed print was produced by a hindfoot. Stratigraphy: Dakota Sandstone, upper Lower Cretaceous Provenance: eastern side of Dinosaur Ridge, Dakota Hogback, west of Denver, north-central Colorado, USA

os États-Unis Denver Crétacé +6
Elongatoolithus excellens in the exhibition "Dinosaures. Tresors del desert de Gobi" ("Dinosaurs. Treasures of Gobi Desert") in CosmoCaixa, Barcelona.
Taxons Elongatoolithus

Elongatoolithus excellens in the exhibition "Dinosaures. Tresors del desert de Gobi" ("Dinosaurs. Treasures of Gobi Desert") in CosmoCaixa, Barcelona.

Dinosauria Elongatoolithus
Elangatoolithidae fossil dinosaur eggs, from China. Exhibit in the Academy of Natural Sciences, 1900 Benjamin Franklin Parkway, Philadelphia, Pennsylvania, USA. Photography was permitted in this area of the museum without restrictions.
Taxons Elongatoolithidae

Elangatoolithidae fossil dinosaur eggs, from China. Exhibit in the Academy of Natural Sciences, 1900 Benjamin Franklin Parkway, Philadelphia, Pennsylvania, USA. Photography was permitted in this area of the museum without restrictions.

musée Chine États-Unis fossile +2
Fossil specimen of Ornithomimus sp. (TMP 1995.110.1), Royal Tyrrell Museum. This specimen was recovered from the middle Dinosaur Park Formation of Alberta, Canada.
Taxons Ornithomimidae

Fossil specimen of Ornithomimus sp. (TMP 1995.110.1), Royal Tyrrell Museum. This specimen was recovered from the middle Dinosaur Park Formation of Alberta, Canada.

musée Canada Allemagne Dinosaur Park +6
Uses https://commons.wikimedia.org/wiki/File:Dromaeosaurus_in_Canadian_Museum_of_Nature.jpg
File:Alaskan_troodont_Perot_Museum.jpg
File:Unenlagia_fossils.jpg
File:Talos_sampsoni.png
https://en.wikipedia.org/wiki/File:Velociraptor_Wyoming_Dinosaur_Center.jpg
https://en.wikipedia.org/wiki/Saurornitholestes
File:Buitreraptor-Deinonychus.jpg

File:Dakotaraptor_lateral_Wiki.jpg
Taxons Deinonychosauria

Uses https://commons.wikimedia.org/wiki/File:Dromaeosaurus_in_Canadian_Museum_of_Nature.jpg File:Alaskan_troodont_Perot_Museum.jpg File:Unenlagia_fossils.jpg File:Talos_sampsoni.png https://en.wikipedia.org/wiki/File:Velociraptor_Wyoming_Dinosaur_Center.jpg https://en.wikipedia.org/wiki/Saurornitholestes File:Buitreraptor-Deinonychus.jpg File:Dakotaraptor_lateral_Wiki.jpg

musée fossile Buitreraptor Dakotaraptor +8
Duck-billed dinosaurs at the Royal Ontario Museum. A Maiasaura skeleton is visible on the foreground, with two Maiasaura juveniles at the foot of the skeletal mount. On the background, flushing with the wall, there's the two-dimensional mount of a Gryposaurus specimen. The unidentified skull of another duck-billed dinosaur is visible on the low right corner of the photograph.
Taxons Hadrosauridae

Duck-billed dinosaurs at the Royal Ontario Museum. A Maiasaura skeleton is visible on the foreground, with two Maiasaura juveniles at the foot of the skeletal mount. On the background, flushing with the wall, there's the two-dimensional mount of a Gryposaurus specimen. The unidentified skull of another duck-billed dinosaur is visible on the low right corner of the photograph.

musée juvénile spécimen Dinosauria +5
Duck-billed dinosaurs at the Royal Ontario Museum. A Maiasaura skeleton is visible on the foreground, with two Maiasaura juveniles at the foot of the skeletal mount. On the background, flushing with the wall, there's the two-dimensional mount of a Gryposaurus specimen. The unidentified skull of another duck-billed dinosaur is visible on the low right corner of the photograph.
Taxons Hadrosauridae

Duck-billed dinosaurs at the Royal Ontario Museum. A Maiasaura skeleton is visible on the foreground, with two Maiasaura juveniles at the foot of the skeletal mount. On the background, flushing with the wall, there's the two-dimensional mount of a Gryposaurus specimen. The unidentified skull of another duck-billed dinosaur is visible on the low right corner of the photograph.

musée juvénile spécimen Dinosauria +5
Six maniraptoran dinosaurs (top to bottom):  the Zamyn Khondt oviraptorosaur, Sinornithosaurus, the Alaskan troodontid, Patagonykus, a short-tailed albatross, Nothronychus
Taxons Maniraptora

Six maniraptoran dinosaurs (top to bottom): the Zamyn Khondt oviraptorosaur, Sinornithosaurus, the Alaskan troodontid, Patagonykus, a short-tailed albatross, Nothronychus

Coelurosauria Dinosauria Maniraptora Nothronychus +4
Map of Cretaceous-aged dinosaur fossil localities of Mongolia.
Gobihadros mongoliensis was collected from Bayshin Tsav in Area C. Open squares indicate Late Cretaceous sites, solid squares represent Early Cretaceous localities. Abbreviations: A, Localities of Western Gobi Desert in Mongolia, mainly group of localities of Nemegtian age (early Maastrichtian), Late Cretaceous; B, Localities of Central Gobi Desert in Mongolia, mainly Djadokhtian age (Campanian), Late Cretaceous; C & D- Localities of Eastern Gobi Desert in Mongolia, mainly Baynshirenian age (Cenomanian-Santonian), Late Cretaceous. Figure has been modified from Tsogtbaatar et al. 2014, Figure 1 [24].
Formations Baynshire

Map of Cretaceous-aged dinosaur fossil localities of Mongolia. Gobihadros mongoliensis was collected from Bayshin Tsav in Area C. Open squares indicate Late Cretaceous sites, solid squares represent Early Cretaceous localities. Abbreviations: A, Localities of Western Gobi Desert in Mongolia, mainly group of localities of Nemegtian age (early Maastrichtian), Late Cretaceous; B, Localities of Central Gobi Desert in Mongolia, mainly Djadokhtian age (Campanian), Late Cretaceous; C & D- Localities of Eastern Gobi Desert in Mongolia, mainly Baynshirenian age (Cenomanian-Santonian), Late Cretaceous. Figure has been modified from Tsogtbaatar et al. 2014, Figure 1 [24].

Mongolie Campanien Cénomanien Crétacé +8
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Actualités

New Triassic Dinosaur Species Identified in New Mexico
De nouvelles espèces de dinosaures du Trias identifiées au Nouveau-Mexique
Mexique États-Unis Trias Dinosauria nouvelle espèce crâne
Un nouveau genre et une nouvelle espèce de dinosaure herrerasaurien carnivore ont été décrits à partir d'un crâne incomplet mais bien conservé trouvé dans le nord du Nouveau-Mexique, aux États-Unis. L'article Nouvelles espèces de dinosaures du Trias identifiées au Nouveau-Mexique est apparu en premier sur Sci.News : Breaking Science News.
17/04/2026 sci-news ⚙ Traduction automatique
Les scientifiques pensaient qu'il s'agissait d'un jeune T. rex. Ils avaient tort
os croissance prédateur fossile juvénile Dinosauria Nanotyrannus
Un mystère de longue date sur les dinosaures pourrait enfin être résolu : Nanotyrannus, autrefois considéré comme un simple T. rex adolescent, semble avoir été une espèce distincte après tout. Les scientifiques ont analysé un minuscule os de la gorge du fossile original et ont découvert des schémas de croissance montrant que l'animal était déjà mature et non un géant juvénile en devenir. Ce petit prédateur, environ la moitié de la taille d'un T. rex adulte, errait probablement aux côtés de son célèbre cousin, ajoutant une nouvelle couche de complexité à l'écosystème préhistorique.
16/04/2026 sciencedaily ⚙ Traduction automatique
Épisode 174 : Une histoire des dinosaures en 50 fossiles
musée fossile spécimen Dinosauria
Le professeur Paul Barrett du Natural History Museum de Londres a récemment écrit A History of Dinosaurs in 50 Fossils. Nous en avons profité pour avoir un aperçu de ce que nous savons réellement sur les dinosaures et comment il est même possible de raconter leur histoire avec seulement 50 spécimens. Dans cet épisode, Paul discute de l'histoire [&hellip
15/04/2026 palaeocast ⚙ Traduction automatique
Un fossile écrasé révèle un dinosaure qui n’aurait pas dû exister
Trias fossile Dinosauria découverte extinction nouvelle espèce crâne
Un crâne de dinosaure gravement mutilé, oublié dans un tiroir, s'est avéré être une découverte rare et importante. Reconstruit par un étudiant de Virginia Tech, il a révélé une nouvelle espèce de dinosaure carnivore primitif présentant des caractéristiques inhabituelles jamais vues auparavant. Le fossile suggère que certains groupes de dinosaures ont été anéantis lors de l’extinction de la fin du Trias, et pas seulement leurs rivaux. Il s’agit peut-être de l’un des derniers survivants d’une ancienne lignée de dinosaures.
15/04/2026 sciencedaily ⚙ Traduction automatique
Ce « crocodile terroriste » de 31 pieds mangeait des dinosaures. Maintenant c'est de retour
prédateur musée États-Unis Dinosauria squelette
Un énorme « crocodile terroriste » de la taille d’un bus qui s’attaquait autrefois aux dinosaures a été ramené à la vie avec des détails époustouflants grâce au premier squelette complet scientifiquement précis de Deinosuchus schwimmeri. S'étendant sur plus de 9 mètres de long, cet ancien prédateur suprême régnait sur le sud-est des États-Unis il y a plus de 75 millions d'années. Les visiteurs peuvent désormais le voir de près au Tellus Science Museum, le seul endroit au monde à posséder cette réplique.
15/04/2026 sciencedaily ⚙ Traduction automatique
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