Saturday, July 24, 2021
Dinosaur

Dinosaur

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Skeletons of four tyrannosaurid specimens tested in the study. Clockwise from above left: adult Tyrannosaurus rex “Sue” (FMNH PR 2081) (Field Museum of Natural History, Chicago, IL; photo by the Field Museum), juvenile Tyrannosaurus rex “Jane” (BMRP 2002.4.1) (Burpee Museum of Natural History; photo by A. Rowe), adult Tarbosaurus bataar (Dinosaurium exhibition, Prague, Czech Republic; photo by R. Holiš) and Raptorex kriegsteini skeletal reconstruction (LH PV18) (Long Hao Institute of Geology and Paleontology, Hohhot, Inner Mongolia, China; photo by P. Sereno). Credit: Listed in caption. Final image by Andre Rowe
Dinosaur

Younger Tyrannosaurus Rex bites were less ferocious than their adult counterparts

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The asteroid impact led to the extinction of 75% of life, including all non-avian dinosaurs. Credit: Willgard Krause/Pixabay.
Dinosaur

Asteroid dust found in crater closes case of dinosaur extinction

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Comet
Dinosaur

The comet that killed the dinosaurs

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Life reconstruction of a Spinosaurus wading in the water and fishing. Credit: Robert Nicholls ©Nicholls2020
Dinosaur

New light shed on behavior of giant carnivorous dinosaur Spinosaurus

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Researcher overlooking one of the two field sites for the study, the Frenchman Valley in Chambery Coulee Saskatchewan in July 2017. Credit: McGill University
Dinosaur

When dinosaurs disappeared, forests thrived

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Ubirajara jubatus is named after a Tupi Indian name for 'lord of the spear', in reference to the creature's stiffened, elongate integumentary structures, and jubatus from the Latin meaning 'maned' or 'crested'. Image must be credited Credit: Artwork © Bob Nicholls / Paleocreations.com 2020
Dinosaur

New dinosaur showed descendants how to dress to impress

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Braincase and endocast of Thecodontosaurus antiquus. From CT scans of the braincase fossil, 3-D models of the braincase and the endocast were generated and studied. Credit: Created by Antonio Ballell with BioRender, Thecodontosaurus silhouette from PhyloPic.org.
Dinosaur

Research reveals unexpected insights into early dinosaur’s brain, eating habits and...

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A partial skeleton of Lagerpeton (hips, leg, and vertebrae) from ~235 million years from Argentina. Further examination of this specimen helped tie features of lagerpetids to pterosaurs. Photo courtesy of Sterling Nesbitt. Credit: Virginia Tech
Dinosaur

Paleontologists find pterosaur precursors that fill a gap in early evolutionary...

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Remnants of feather sheaths on the wings of the fossil bird Archaeopteryx, shows the earliest evidence of a complex moulting strategy. The white arrows indicate the feather sheaths. Scale bar is 1 cm. Credit: Kaye et al. 2020.
Dinosaur

Archaeopteryx fossil provides insights into the origins of flight

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Illustration of the Jurassic thyreophoran Scelidosaurus harrisonii, Jack Mayer Wood, CC BY-SA 4.0, via Wikimedia Commons
Dinosaur

Only dinosaurs found in ireland described for the first time

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Pterosaurs with these types of beaks are better known at the time period from North Africa, so it would be reasonable to assume a likeness to the North African Alanqa. Credit: Attributed to Davide Bonadonna
Dinosaur

Fossil shark turns into mystery pterosaur

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Titanosaurs were common at the time of the asteroid hit at the end of the Cretaceous 66 million years ago. (Credit: AlienCat)
Dinosaur

New analysis refutes claim that dinosaurs were in decline before asteroid...

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Buriolestes schultzi brain. Credit: Márcio L. Castro
Dinosaur

Researchers reconstruct the first complete brain of one of the oldest...

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This illustration shows a reconstruction of Ambopteryx in a glide. Credit: Gabriel Ugueto
Dinosaur

These two bird-sized dinosaurs evolved the ability to glide, but weren’t...

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Teeth of a large dinosaur, possibly Metriacanthosauridae, from the Liuhuanggou site in the southern Junggar basin. Scale: 1 cm. Credit: University of Tübingen
Dinosaur

Tooth marks and lost teeth offer insights into dinosaur feeding behavior

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An artist's impression of Leptostomia begaaensis Credit: Megan Jacobs, University of Portsmouth
Dinosaur

Beak bone reveals pterosaur like no other

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Naked prehistoric monsters
Dinosaur

Evidence that prehistoric flying reptiles probably had feathers refuted

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Artist's impression of Oksoko avarsan dinosaurs (credit: Michael Skrepnick)
Dinosaur

Lost digits point to spread of parrot-like dinosaur

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Altmühl specimen of Archaeopteryx, showing the dorsal surface of the right wing.
Dinosaur

Dinosaur feather study debunked

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A skeletal mount of the mosasaur 'Gnathomortis stadtmani' at BYU’s Eyring Science Center. USU Eastern paleontologist Josh Lively named the giant marine lizard that roamed the oceans of North America toward the end of the Age of Dinosaurs. Courtesy BYU.
Dinosaur

Jaws of death: Paleontologist renames giant, prehistoric marine lizard

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