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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

Omnivorous, Rodent-Like Mammal Lived in Dinosaurs’ Shadow on Pacific Coast
Un mammifère omnivore ressemblant à un rongeur vivait dans l’ombre des dinosaures sur la côte du Pacifique
Mexique fossile Dinosauria mammifères nouvelle espèce
Les paléontologues ont décrit une nouvelle espèce du genre de mammifères multituberculés Cimolodon sur la base d'un fossile trouvé en Basse-Californie, au Mexique. L'article Un mammifère omnivore ressemblant à un rongeur vivait dans l'ombre des dinosaures sur la côte du Pacifique est apparu en premier sur Sci.News : Breaking Science News.
29/04/2026 sci-news ⚙ Traduction automatique
Small Titanosaur Species from Morocco Reveals Surprising South American Ties
Une petite espèce de titanosaure du Maroc révèle des liens surprenants avec l'Amérique du Sud
Maroc Dinosauria Titanosauria nouvelle espèce
Un nouveau genre et une nouvelle espèce de dinosaure sauropode titanosaure apparentés aux formes sud-américaines ont été décrits par une équipe de paléontologues dirigée par le Dr Nick Longrich de l’Université de Bath. L'article Une petite espèce de titanosaure du Maroc révèle des liens surprenants avec l'Amérique du Sud apparaît en premier sur Sci.News : Breaking Science News.
28/04/2026 sci-news ⚙ Traduction automatique
Ce petit mammifère a survécu à l'apocalypse des dinosaures et a changé la vie sur Terre
fossile Dinosauria extinction mammifères
Un mammifère préhistorique récemment découvert pourrait détenir des indices sur la façon dont la vie a survécu à l’extinction des dinosaures. La minuscule espèce, Cimolodon desosai, vivait il y a 75 millions d'années et possédait des caractéristiques, comme un petit corps et un régime alimentaire varié, qui augmentaient probablement ses chances de survie. Trouvé en Basse-Californie, le fossile comprend de rares restes squelettiques qui révèlent comment il se déplaçait et vivait. Les chercheurs pensent que sa lignée a aidé les mammifères à endurer l’un des événements les plus meurtriers sur Terre.
27/04/2026 sciencedaily ⚙ Traduction automatique
Les vaisseaux sanguins découverts dans les os de T. rex réécrivent la science des dinosaures
os ADN fossile Dinosauria Tyrannosaurus
L’ADN des dinosaures est peut-être encore hors de portée, mais les scientifiques découvrent quelque chose de presque aussi passionnant : d’anciens vaisseaux sanguins cachés dans des os fossilisés. Dans un énorme Tyrannosaurus rex surnommé Scotty, les chercheurs ont découvert un réseau de vaisseaux préservés dans une côte qui s'était fracturée et avait commencé à guérir il y a 66 millions d'années. Grâce aux puissants rayons X synchrotron des accélérateurs de particules, ils ont pu observer l'intérieur du fossile dense sans l'endommager, révélant des structures complexes et riches en fer.
26/04/2026 sciencedaily ⚙ Traduction automatique
Les poulpes géants régnaient sur les océans il y a 100 millions d'années, selon une étude
mâchoire prédateur proie fossile Dinosauria étude
Des poulpes géants et redoutables auraient pu autrefois régner sur les mers anciennes, selon de nouvelles recherches qui renversent le scénario de leur passé évolutif. En découvrant des mâchoires fossiles superbement préservées cachées dans la roche, les scientifiques ont révélé que les premières pieuvres de l’âge des dinosaures n’étaient pas des vagabonds timides et au corps mou : c’étaient d’énormes prédateurs au sommet, pouvant s’étendre jusqu’à 20 mètres de long et écrasant leurs proies avec de puissantes morsures.
25/04/2026 sciencedaily-paleo ⚙ Traduction automatique
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