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dent de Globidens aegyptiacus. La couronne dentaire montre bien le mode "broyeur" chez ce Mosasaure. A noter la cavité, vide, d'une dent de remplacement.

dent de Globidens aegyptiacus. La couronne dentaire montre bien le mode "broyeur" chez ce Mosasaure. A noter la cavité, vide, d'une dent de remplacement.

tooth Globidens Igdamanosaurus Mosasaurus
dent de Globidens aegyptiacus. La couronne dentaire montre bien le mode "broyeur" chez ce Mosasaure.

dent de Globidens aegyptiacus. La couronne dentaire montre bien le mode "broyeur" chez ce Mosasaure.

tooth Globidens Igdamanosaurus Mosasaurus
dent de Globidens aegyptiacus et dent de Mosasaurus beaugei montrant les cavités de la dent de remplacement

dent de Globidens aegyptiacus et dent de Mosasaurus beaugei montrant les cavités de la dent de remplacement

tooth Globidens Igdamanosaurus Mosasaurus
dent de Globidens aegyptiacus et dent de Mosasaurus beaugei montrant les cavités de la dent de remplacement
Taxa Igdamanosaurus

dent de Globidens aegyptiacus et dent de Mosasaurus beaugei montrant les cavités de la dent de remplacement

tooth Globidens Igdamanosaurus Mosasaurus
Representative taxa from the early Campanian Muthmannsdorf fauna from the Grünbach Formation, eastern Austria. A Doratodon carcharidens (Mesoeucrocodylia) mandible (PIUW 2349/57) in dorsal view (photo by Márton Rabi) B Indeterminate azhdarchid (Pterosauria, Azhdarchidae), left humerus (PIUW 2349/102) in anterior view C ‘Megalosaurus pannoniensis’ basal tetanuran (Theropoda, Tetanurae), tooth (PIUW uncatalogued) in lateral view D Mochlodon suessi (Ornithopoda, Rhabdodontidae), right dentary (holotype, PIUW 2349/2) in medial view. Scale bars equal 2 cm in A, B and D and 1 cm in C.

Representative taxa from the early Campanian Muthmannsdorf fauna from the Grünbach Formation, eastern Austria. A Doratodon carcharidens (Mesoeucrocodylia) mandible (PIUW 2349/57) in dorsal view (photo by Márton Rabi) B Indeterminate azhdarchid (Pterosauria, Azhdarchidae), left humerus (PIUW 2349/102) in anterior view C ‘Megalosaurus pannoniensis’ basal tetanuran (Theropoda, Tetanurae), tooth (PIUW uncatalogued) in lateral view D Mochlodon suessi (Ornithopoda, Rhabdodontidae), right dentary (holotype, PIUW 2349/2) in medial view. Scale bars equal 2 cm in A, B and D and 1 cm in C.

humerus scale tooth Austria +11
Representative taxa from the Santonian Iharkút fauna from the Csehbánya Formation, Bakony Mountains, western Hungary. A Pannoniasaurus inexpectatus (Squamata, Mosasauroidea), dorsal vertebra (MTM uncatalogued) in dorsal view (photo by Réka Kalmár) B Foxemys trabanti (Pleurodira, Bothremydidae), skull (MTM V 2010.215.1.) in dorsal view (photo by Márton Rabi). C Bicuspidon aff. hatzegiensis (Squamata, Borioteiioidea), left dentary (MTM 2006.112.1.) in medial view (photo by László Makádi) D Basal tetanuran (Theropoda, Tetanurae), tooth (MTM V.01.54) in ?lingual view E Indeterminate abelisaurid (Theropoda, Abelisauridae), pedal ungual phalanx (MTM V 2008.43.1.) in lateral view F Pneumatoraptor fodori (Theropoda, Paraves), left scapulocoracoid (holotype, MTM V 2008.38.1.) in lateral view G Mochlodon vorosi (Ornithopoda, Rhabdodontidae), left dentary (holotype, MTM V 2010.105.1) in lateral view H Bakonydraco galaczi (Pterosauria, Azhdarchidae), mandible (holotype, MTM 2007.110.1) in dorsal view I Iharkutosuchus makadii (Eusuchia, Hylaeochampsidae), skull (holotype, MTM 2006.52.1) in dorsal view J Hungarosaurus tormai (Ankylosauria, Nodosauridae), right dentary (MTM 2007.25.2) in lateral view K Bauxitornis mindszentyae (Aves, Enantiornithes), left tarsometatarsus (holotype, MTM V 2009.38.1) in anterior view L Ajkaceratops kozmai (Ceratopsia), fused rostral and premaxillae (holotype, MTM V 2009.192.1) in lateral view. Scale bars: 2 cm in A, V, G, H, I, J; 1 cm in D, E, F, K, L; 1 mm in C.

Representative taxa from the Santonian Iharkút fauna from the Csehbánya Formation, Bakony Mountains, western Hungary. A Pannoniasaurus inexpectatus (Squamata, Mosasauroidea), dorsal vertebra (MTM uncatalogued) in dorsal view (photo by Réka Kalmár) B Foxemys trabanti (Pleurodira, Bothremydidae), skull (MTM V 2010.215.1.) in dorsal view (photo by Márton Rabi). C Bicuspidon aff. hatzegiensis (Squamata, Borioteiioidea), left dentary (MTM 2006.112.1.) in medial view (photo by László Makádi) D Basal tetanuran (Theropoda, Tetanurae), tooth (MTM V.01.54) in ?lingual view E Indeterminate abelisaurid (Theropoda, Abelisauridae), pedal ungual phalanx (MTM V 2008.43.1.) in lateral view F Pneumatoraptor fodori (Theropoda, Paraves), left scapulocoracoid (holotype, MTM V 2008.38.1.) in lateral view G Mochlodon vorosi (Ornithopoda, Rhabdodontidae), left dentary (holotype, MTM V 2010.105.1) in lateral view H Bakonydraco galaczi (Pterosauria, Azhdarchidae), mandible (holotype, MTM 2007.110.1) in dorsal view I Iharkutosuchus makadii (Eusuchia, Hylaeochampsidae), skull (holotype, MTM 2006.52.1) in dorsal view J Hungarosaurus tormai (Ankylosauria, Nodosauridae), right dentary (MTM 2007.25.2) in lateral view K Bauxitornis mindszentyae (Aves, Enantiornithes), left tarsometatarsus (holotype, MTM V 2009.38.1) in anterior view L Ajkaceratops kozmai (Ceratopsia), fused rostral and premaxillae (holotype, MTM V 2009.192.1) in lateral view. Scale bars: 2 cm in A, V, G, H, I, J; 1 cm in D, E, F, K, L; 1 mm in C.

tooth vertebra Hungary Santonian +15
A 1.7cm tall tooth from Liodon anceps.  Cretaceous, Phosphate beds, Kouribga, Morocco.

A 1.7cm tall tooth from Liodon anceps. Cretaceous, Phosphate beds, Kouribga, Morocco.

tooth Morocco Cretaceous Leiodon +1
Partial skull of Shastasaurus pacificus (UCMP 9017) from the Late Triassic of California, USA, in (A) lateral, (B) dorsal, and (C) anterolateral view.

Based on this skull, Shastasaurus has repeatedly been reconstructed with a long, tooth-bearing rostrum. However, note the slenderness of the lower jaw (B, C) and the strong anterior taper of the snout (B), both of which are more consistent with the abbreviated and toothless snout of Shastasaurus liangae comb. nov. than with the traditional long-snouted reconstruction of this skull (as, e.g., in references [22] and [23]).
Taxa Shastasaurus

Partial skull of Shastasaurus pacificus (UCMP 9017) from the Late Triassic of California, USA, in (A) lateral, (B) dorsal, and (C) anterolateral view. Based on this skull, Shastasaurus has repeatedly been reconstructed with a long, tooth-bearing rostrum. However, note the slenderness of the lower jaw (B, C) and the strong anterior taper of the snout (B), both of which are more consistent with the abbreviated and toothless snout of Shastasaurus liangae comb. nov. than with the traditional long-snouted reconstruction of this skull (as, e.g., in references [22] and [23]).

tooth United States Late Triassic Triassic +5
Partial skull of Shastasaurus pacificus (UCMP 9017) from the Late Triassic of California, USA, in (A) lateral, (B) dorsal, and (C) anterolateral view.

Based on this skull, Shastasaurus has repeatedly been reconstructed with a long, tooth-bearing rostrum. However, note the slenderness of the lower jaw (B, C) and the strong anterior taper of the snout (B), both of which are more consistent with the abbreviated and toothless snout of Shastasaurus liangae comb. nov. than with the traditional long-snouted reconstruction of this skull (as, e.g., in references [22] and [23]).
Taxa Merriamosauria

Partial skull of Shastasaurus pacificus (UCMP 9017) from the Late Triassic of California, USA, in (A) lateral, (B) dorsal, and (C) anterolateral view. Based on this skull, Shastasaurus has repeatedly been reconstructed with a long, tooth-bearing rostrum. However, note the slenderness of the lower jaw (B, C) and the strong anterior taper of the snout (B), both of which are more consistent with the abbreviated and toothless snout of Shastasaurus liangae comb. nov. than with the traditional long-snouted reconstruction of this skull (as, e.g., in references [22] and [23]).

tooth United States Late Triassic Triassic +5
Partial skull of Shastasaurus pacificus (UCMP 9017) from the Late Triassic of California, USA, in (A) lateral, (B) dorsal, and (C) anterolateral view.

Based on this skull, Shastasaurus has repeatedly been reconstructed with a long, tooth-bearing rostrum. However, note the slenderness of the lower jaw (B, C) and the strong anterior taper of the snout (B), both of which are more consistent with the abbreviated and toothless snout of Shastasaurus liangae comb. nov. than with the traditional long-snouted reconstruction of this skull (as, e.g., in references [22] and [23]).
Taxa Euichthyosauria

Partial skull of Shastasaurus pacificus (UCMP 9017) from the Late Triassic of California, USA, in (A) lateral, (B) dorsal, and (C) anterolateral view. Based on this skull, Shastasaurus has repeatedly been reconstructed with a long, tooth-bearing rostrum. However, note the slenderness of the lower jaw (B, C) and the strong anterior taper of the snout (B), both of which are more consistent with the abbreviated and toothless snout of Shastasaurus liangae comb. nov. than with the traditional long-snouted reconstruction of this skull (as, e.g., in references [22] and [23]).

tooth United States Late Triassic Triassic +5
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News

Son crâne mesure 2 mètres et compte encore 130 dents : découvrez ce redoutable prédateur du Jurassique
Its skull measures 2 meters and still has 130 teeth: discover this formidable Jurassic predator
tooth predator book Jurassic Pliosaurus discovery skull
A major paleontological discovery has just shaken the global scientific community. A gigantic skull of a pliosaur, a marine reptile dating back 150 million years, was recently entered into the Guinness Book of Records. This exceptionally preserved relic offers us a window...
04/10/2026 futura-terre ⚙ Auto-translated
New Research Provides Data on the Body Temperature of Tyrannosaurus
tooth Dinosauria Tyrannosaurus isotope
Scientists, using an innovative isotope method have calculated Tyrannosaurus rex body temperature.  The novel research, published in the journal "Science Advances" sheds new light on the "King of the Tyrant Lizards". Remarkably, this famous, carnivorous dinosaur had a body temperature comparable to our own. Researchers used fossilised tooth enamel to estimate the T. rex body
01/10/2026 everythingdinosaur
A 66-million-year-old tooth reveals T. rex was nearly as warm as a human
tooth metabolism predator Dinosauria Tyrannosaurus discovery
Chemical clues preserved inside fossilized T. rex teeth reveal that the dinosaur maintained a body temperature of about 97 degrees Fahrenheit, almost identical to humans. The finding provides direct evidence that the giant predator was warm-blooded, helping explain how it stayed active and survived in chilly environments as far north as Alaska.
20/09/2026 sciencedaily
Tyrannosaurus rex Had Mammal-Like Body Temperature, Study Finds
Tyrannosaurus rex Had Mammal-Like Body Temperature, Study Finds
tooth metabolism predator Tyrannosaurus study
A new analysis of Tyrannosaurus rex teeth indicates the ancient predator maintained a body temperature of about 36.3 degrees Celsius (97.3 degrees Fahrenheit), close to that of Indian and African elephants and far warmer than its cold-blooded reptile neighbors. The post Tyrannosaurus rex Had Mammal-Like Body Temperature, Study Finds appeared first on Sci.News: Breaking Science News.
18/09/2026 sci-news
On connaît désormais la température du T. rex, et elle n’est pas celle qu’on aurait imaginée
We now know the temperature of the T. rex, and it is not what we would have imagined
tooth Dinosauria bird mammals
What if the T. rex had had a body temperature close to ours? Long considered “cold-blooded” animals, dinosaurs may in fact have developed a physiology much closer to that of birds and mammals. A fossilized tooth comes today...
18/09/2026 futura-terre ⚙ Auto-translated
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