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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].

Mongolia Campanian Cenomanian Cretaceous +8
Figure 2: Fossil vertebrate locality of Eric the Red West.
Shore platform looking west, showing undulating erosive boundary (solid white line) between the top of the Anchor Sandstone (AS) and the base of the ETRW Sandstone (ES). White dashed lines indicate selected bedding surfaces. White scale in mid-ground (indicated by arrow) equals 1 m.
Formations Eumeralla

Figure 2: Fossil vertebrate locality of Eric the Red West. Shore platform looking west, showing undulating erosive boundary (solid white line) between the top of the Anchor Sandstone (AS) and the base of the ETRW Sandstone (ES). White dashed lines indicate selected bedding surfaces. White scale in mid-ground (indicated by arrow) equals 1 m.

scale fossil
Fossil skeleton of Tianyulong confuciusi at the Chaoyang Paleontological Museum.
Taxa Tianyulong

Fossil skeleton of Tianyulong confuciusi at the Chaoyang Paleontological Museum.

museum fossil Tianyulong skeleton
Crato Formation pterosaur diversity – the dawn of Araripe pterosaur era. We emphasize that the coexistence of the taxa is merely illustrative, since the lack of geological context for most pterosaur fossils from the Araripe Basin prevents a precise inference of contemporaneity.
Taxa Lacusovagus

Crato Formation pterosaur diversity – the dawn of Araripe pterosaur era. We emphasize that the coexistence of the taxa is merely illustrative, since the lack of geological context for most pterosaur fossils from the Araripe Basin prevents a precise inference of contemporaneity.

fossil Lacusovagus Pterosauria formation
A broken concretion with fossils inside; Late Cretaceous Pierre shale, near Ekalaka, Montana.
Formations Pierre Shale

A broken concretion with fossils inside; Late Cretaceous Pierre shale, near Ekalaka, Montana.

Pierre Shale Cretaceous Late Cretaceous fossil
The distictive banding of the Morrison Formation, a group of rock layers that occur throughout Dinosaur National Monument.  The formation originated as muds and sands laid down by ancient rivers, and some of its outcrops have been found to contain 150-million-year-old dinosaur fossils like those found at the monument's Dinosaur Quarry.
Formations Morrison

The distictive banding of the Morrison Formation, a group of rock layers that occur throughout Dinosaur National Monument. The formation originated as muds and sands laid down by ancient rivers, and some of its outcrops have been found to contain 150-million-year-old dinosaur fossils like those found at the monument's Dinosaur Quarry.

Morrison fossil Dinosauria formation
Fossil of Santanadactylus pricei and Anhanguera santanae, an extinct pterosaur- Took the photo at Senckenberg Museum of Frankfurt
Formations Romualdo

Fossil of Santanadactylus pricei and Anhanguera santanae, an extinct pterosaur- Took the photo at Senckenberg Museum of Frankfurt

museum fossil Anhanguera Pterosauria +1
Bituminous claystone, Lower Jurassic, Hesselberg, Middle Franconia.
Sedimentary rock of very thin laminated layers (particles less than 0,0002 mm).

Rock formation is known for its rich fossil findings, ex. Ichthyosaur.
Formations Posidonia Shale

Bituminous claystone, Lower Jurassic, Hesselberg, Middle Franconia. Sedimentary rock of very thin laminated layers (particles less than 0,0002 mm). Rock formation is known for its rich fossil findings, ex. Ichthyosaur.

Jurassic fossil Ichthyosauria formation
Sidersaura is a rebbachisaurid sauropod dinosaur from the Late Cretaceous of Argentina. Rebbachisaurids are the last known dipldocoids, and lived alongside the titanosaurs until fairly late in the Cretaceous before disappearing from the fossil record, presumably going extinct. They have long tails and relatively short necks, by sauropod standards. Sidersaura one of the most recent rebbachisaurids yet found, living in the Cenomanian–Turonian ages of the Late Cretaceous. It was large for a rebbachisaurid, growing to about 20 m in length.
Taxa Sidersaura

Sidersaura is a rebbachisaurid sauropod dinosaur from the Late Cretaceous of Argentina. Rebbachisaurids are the last known dipldocoids, and lived alongside the titanosaurs until fairly late in the Cretaceous before disappearing from the fossil record, presumably going extinct. They have long tails and relatively short necks, by sauropod standards. Sidersaura one of the most recent rebbachisaurids yet found, living in the Cenomanian–Turonian ages of the Late Cretaceous. It was large for a rebbachisaurid, growing to about 20 m in length.

Argentina Cenomanian Cretaceous Late Cretaceous +6
Fossil specimen of Chaoyangopterus zhangi at the Chaoyang Paleontological Museum.
Taxa Chaoyangopterus

Fossil specimen of Chaoyangopterus zhangi at the Chaoyang Paleontological Museum.

museum fossil specimen Chaoyangopterus
Fossil of Coloborhynchus, an extinct pterosaur- Took the photo at Naturalis museum, Leiden
Taxa Maaradactylus

Fossil of Coloborhynchus, an extinct pterosaur- Took the photo at Naturalis museum, Leiden

museum fossil Coloborhynchus Maaradactylus +1
Life restoration of the mosasaurine mosasaurid Eremiasaurus, with unknown portions and soft tissues based primarily on Prognathodon and supplemented with Mosasaurus where needed.
References
Leblanc, A.R.H.; Caldwell, M.W.; Bardet, N. (2012). "A new mosasaurine from the Maastrichtian (Upper Cretaceous) phosphates of Morocco and its implications for mosasaurine systematics". Journal of Vertebrate Paleontology 32 (1): 82–104.
Lindgren, J.; Kaddumi, H.; Polcyn, M. (2013). "Soft tissue preservation in a fossil marine lizard with a bilobed tail fin". Nature Communications 4: 2423. DOI:10.1038/ncomms3423.
Konishi, T.; Brinkman, D.; Massare, J.A.; Caldwell, M.W. (2011). "New exceptional specimens of Prognathodon overtoni (Squamata, Mosasauridae) from the upper Campanian of Alberta, Canada, and the systematics and ecology of the genus". Journal of Vertebrate Paleontology 31 (5): 1026–1046.
Russell, D.A. (1967). "Systematics and morphology of American mosasaurs". Bulletin of the Peabody Museum of Natural History 23: 1–241.
Taxa Eremiasaurus

Life restoration of the mosasaurine mosasaurid Eremiasaurus, with unknown portions and soft tissues based primarily on Prognathodon and supplemented with Mosasaurus where needed. References Leblanc, A.R.H.; Caldwell, M.W.; Bardet, N. (2012). "A new mosasaurine from the Maastrichtian (Upper Cretaceous) phosphates of Morocco and its implications for mosasaurine systematics". Journal of Vertebrate Paleontology 32 (1): 82–104. Lindgren, J.; Kaddumi, H.; Polcyn, M. (2013). "Soft tissue preservation in a fossil marine lizard with a bilobed tail fin". Nature Communications 4: 2423. DOI:10.1038/ncomms3423. Konishi, T.; Brinkman, D.; Massare, J.A.; Caldwell, M.W. (2011). "New exceptional specimens of Prognathodon overtoni (Squamata, Mosasauridae) from the upper Campanian of Alberta, Canada, and the systematics and ecology of the genus". Journal of Vertebrate Paleontology 31 (5): 1026–1046. Russell, D.A. (1967). "Systematics and morphology of American mosasaurs". Bulletin of the Peabody Museum of Natural History 23: 1–241.

tissue ecology museum Canada +11
Fossil samples – e.g. ‘primitive’ bony fish (1, 2), a skull of a temnospondyl ‘amphibian’ (probably a metoposauroid) in dorsal view (3), a skull of an archosaur of the crocodile lineage (probably a phytosaur) in palatal view (4), holotype of the “gliding reptile” Icarosaurus siefkeri [1] (5) and Atreipus-Grallator-type dinosaur tracks (bottom right) – from the Newark Supergroup, i.e. a series of mainly Late Triassic to Early Jurassic sedimentary rocks of eastern North America


↑ Edwin H. Colbert: A gliding reptile from the Triassic of New Jersey. American Museum Novitates, 2230. American Museum of Natural History, New York 1966, digitallibrary.amnh.org, cf. fig. 3 therein.
Taxa Atreipus

Fossil samples – e.g. ‘primitive’ bony fish (1, 2), a skull of a temnospondyl ‘amphibian’ (probably a metoposauroid) in dorsal view (3), a skull of an archosaur of the crocodile lineage (probably a phytosaur) in palatal view (4), holotype of the “gliding reptile” Icarosaurus siefkeri [1] (5) and Atreipus-Grallator-type dinosaur tracks (bottom right) – from the Newark Supergroup, i.e. a series of mainly Late Triassic to Early Jurassic sedimentary rocks of eastern North America ↑ Edwin H. Colbert: A gliding reptile from the Triassic of New Jersey. American Museum Novitates, 2230. American Museum of Natural History, New York 1966, digitallibrary.amnh.org, cf. fig. 3 therein.

museum Early Jurassic Jurassic Late Triassic +9
Title: A descriptive catalogue of the marine reptiles of the Oxford clay. Based on the Leeds Collection in the British Museum (Natural History), London ..
Identifier: descriptivecatal02brit (find matches)
Year: 1910 (1910s)
Authors: British Museum (Natural History). Dept. of Geology; Andrews, Charles William, 1866-1924
Subjects: Reptiles, Fossil
Publisher: London, Printed by order of the Trustees
Contributing Library: Smithsonian Libraries
Digitizing Sponsor: Biodiversity Heritage Library

View Book Page: Book Viewer
About This Book: Catalog Entry
View All Images: All Images From Book
Click here to view book online to see this illustration in context in a browseable online version of this book.

Text Appearing Before Image: 
CATAL.MARINE KEPT. OXFORD CLAY. PART II. PLATE I. pmcc.
Text Appearing After Image: 
>p77ia:. G.M.Woodward del. etlibh. West, Newman imp. PLIOSAURUS FEROX.

Note About Images

Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.
Taxa Liopleurodon

Title: A descriptive catalogue of the marine reptiles of the Oxford clay. Based on the Leeds Collection in the British Museum (Natural History), London .. Identifier: descriptivecatal02brit (find matches) Year: 1910 (1910s) Authors: British Museum (Natural History). Dept. of Geology; Andrews, Charles William, 1866-1924 Subjects: Reptiles, Fossil Publisher: London, Printed by order of the Trustees Contributing Library: Smithsonian Libraries Digitizing Sponsor: Biodiversity Heritage Library View Book Page: Book Viewer About This Book: Catalog Entry View All Images: All Images From Book Click here to view book online to see this illustration in context in a browseable online version of this book. Text Appearing Before Image: CATAL.MARINE KEPT. OXFORD CLAY. PART II. PLATE I. pmcc. Text Appearing After Image: >p77ia:. G.M.Woodward del. etlibh. West, Newman imp. PLIOSAURUS FEROX. Note About Images Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.

book museum Oxford Clay fossil +3
Fossil of Pinacosaurus, an ankylosaurian  dinosaur
Took the photo at Musee d'Histoire Naturelle, Brussels

Fossil of Pinacosaurus, an ankylosaurian dinosaur Took the photo at Musee d'Histoire Naturelle, Brussels

fossil Ankylosauria Dinosauria Eopinacosaurus +1
Fossil of Pinacosaurus, an ankylosaurid dinosaur
Took the photo at Musee d'Histoire Naturelle, Brussels

Fossil of Pinacosaurus, an ankylosaurid dinosaur Took the photo at Musee d'Histoire Naturelle, Brussels

fossil Ankylosauridae Dinosauria Eopinacosaurus +1
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News

Small, Chicken-Like Dinosaur May Have Had a Jaw Built for Fruit
Small, Chicken-Like Dinosaur May Have Had a Jaw Built for Fruit
fossil Dinosauria Oviraptorosauria
Fossils from Montana show a small oviraptorosaur with a jaw that slid front to back, a feature shared with fruit-eating parrots. The post Small, Chicken-Like Dinosaur May Have Had a Jaw Built for Fruit appeared first on Sci.News: Breaking Science News.
13/10/2026 sci-news
This tiny jurassic predator helped pave the way for the human brain
hunting predator prey Jurassic fossil anatomy evolution mammals
A 165-million-year-old fossil has revealed an extraordinary Jurassic predator that may help explain how mammals developed one of their most important evolutionary advantages. Although only 20 inches long, Megacauda sungei was a heavyweight among early mammal relatives, swimming through ancient waterways and hunting prey with specialized teeth. Its advanced swallowing anatomy reveals an early step toward the ability to safely nurse on milk, a key development in mammalian evolution.
13/10/2026 sciencedaily
Fossil Armored Fish from China Bridges Primitive and Advanced Jawless Lineages
Fossil Armored Fish from China Bridges Primitive and Advanced Jawless Lineages
China Devonian Early Devonian fossil fish
Paleontologists have described a new genus and species of polybranchiaspiform galeaspid fish from the Early Devonian of Yunnan, China. The post Fossil Armored Fish from China Bridges Primitive and Advanced Jawless Lineages appeared first on Sci.News: Breaking Science News.
13/10/2026 sci-news
Peculiar New Species of Belemnite Unearthed in Wyoming
Peculiar New Species of Belemnite Unearthed in Wyoming
United States fossil new species
A new species of belemnite -- an extinct relative of today’s cuttlefish and squid -- has been identified from two bullet-shaped fossils found in Wyoming, the United States. The post Peculiar New Species of Belemnite Unearthed in Wyoming appeared first on Sci.News: Breaking Science News.
12/10/2026 sci-news
Beautiful Jurassic Mammaliaform Fossil Reveals Evolutionary Breakthrough
feeding China Jurassic fossil evolution mammals skeleton
Scientists have described a remarkable Jurassic mammaliaform fossil from China that provides fresh insights into the evolution of mammals. The 165-million-year-old animal, named Megacauda sungei, was adapted to life in the water. Furthermore, its exceptionally preserved skeleton reveals important evidence concerning the evolution of mammalian feeding and swallowing. The international research team, led by scientists
09/10/2026 everythingdinosaur
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