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Dinosauria

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251 image(s) · 248 Actualités

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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

Diamantinasaurus: Beast of the Week
Diamantinasaurus : Bête de la semaine
Australie Crétacé Diamantinasauria Dinosauria
Cette semaine, nous allons découvrir une bête qui nous aide grandement à comprendre à quoi ressemblaient et vivaient les dinosaures sauropodes (« à long cou »).  Découvrez Diamantinasaurus matildae ! Le Diamantinasaurus vivait dans ce qui est aujourd'hui le Queensland, en Australie, au cours du Crétacé moyen, il y a entre 95 et 92 millions d'années.  Il est considéré comme de taille moyenne pour un sauropode et aurait mesuré environ 16 m de long du museau à la queue. (Oui. 52 pieds n'est qu'une taille moyenne pour les sauropodes !) Comme tous les sauropodes, il aurait mangé
12/04/2026 prehistoricbeastoftheweek ⚙ Traduction automatique
Daemonosaurus: Beast of the Week
Démonosaure : la bête de la semaine
Mexique États-Unis Trias supérieur Trias Daemonosaurus Dinosauria crâne
 Cette semaine, nous allons découvrir un premier dinosaure au look unique avec un nom très cool.  Rencontrez Daemonosaurus chaoliodus ! Daemonosaurus était un petit dinosaure carnivore qui vivait dans ce qui est aujourd'hui le Nouveau-Mexique, aux États-Unis, à la fin du Trias, il y a environ 205 à 200 millions d'années.  Du nez à la queue, on estime qu'il mesurait environ 5 à 7 pieds (1,5 à 2,2 m).  Il s’agit d’estimations basées sur le fait que seuls le crâne et le cou ont été retrouvés.  Le nom du genre se traduit par "Demo
05/04/2026 prehistoricbeastoftheweek ⚙ Traduction automatique
Les scientifiques ont trouvé un bébé dinosaure caché dans la roche et il est étonnamment mignon
os dessin Corée du Sud Dinosauria Doolysaurus tomographie découverte crâne
Des scientifiques ont découvert un bébé dinosaure rare en Corée du Sud et l'ont baptisé Doolysaurus, en hommage à un célèbre personnage de dessin animé. Grâce à des tomodensitogrammes de pointe, ils ont découvert des os cachés, notamment un crâne, dans la roche beaucoup plus rapidement que les méthodes traditionnelles. Le jeune dinosaure, peut-être duveteux et ressemblant à un agneau, avait même des calculs gastriques révélant qu'il mangeait un mélange de plantes et de petits animaux. Cette découverte suggère que de nombreux autres dinosaures pourraient encore être cachés dans les roches coréennes.
01/04/2026 sciencedaily ⚙ Traduction automatique
Certains dinosaures pouvaient s'élever comme des géants, jusqu'à devenir trop gros
os Dinosauria
Certains sauropodes plus petits pouvaient se tenir debout sur leurs pattes postérieures avec une facilité surprenante, leur donnant accès à une nourriture plus riche et un avantage défensif. Des simulations informatiques montrent que leurs os supportent mieux le stress que ceux de leurs parents plus grands. Cependant, à mesure qu’ils grandissaient, le poids rendait cette posture beaucoup plus difficile à maintenir. Ce qui a commencé comme une astuce utile dans la jeunesse est devenu une démarche stratégique plus limitée à l’âge adulte.
30/03/2026 sciencedaily ⚙ Traduction automatique
Des scientifiques ont recréé un nid de dinosaure pour résoudre un mystère vieux de 70 millions d'années
nid Dinosauria Oviraptor oiseau
Les scientifiques ont recréé un nid d'oviraptors grandeur nature pour comprendre comment ces dinosaures ont fait éclore leurs œufs. Leurs expériences ont montré que le parent ne pouvait probablement pas chauffer tous les œufs directement, ce qui signifie que la lumière du soleil jouait un rôle clé. Ce chauffage inégal pourrait faire éclore les œufs d’un même nid à des moments différents. Les résultats suggèrent que les oviraptors utilisaient une méthode d’incubation hybride contrairement aux oiseaux modernes.
19/03/2026 sciencedaily ⚙ Traduction automatique
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