Wednesday, January 19, 2022
Dinosaur

Dinosaur

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Laser-stimulated fluorescence imaging of a pterosaur fossil reveals flight-related soft tissues. The imaging revealed a muscular wing root fairing that smooths airflow around the wing-body junction and reduces drag, as in the wing root fairings of modern aeroplanes. (Image credit: Michael Pittman)
Dinosaur

Muscular wing-body junction improved Pterosaur flight performance

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A closeup view of the Flyby Trike’s occipital condyle bone — nicknamed the “trailer hitch” — the ball on the back of the skull that connects to neck vertebrae.Rachel Ormiston/Burke Museum/University of Washington
Dinosaur

Four dinosaurs discovered in Montana

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Fig. 1. Cretapsara athanata Luque gen. et sp. nov., a modern-looking eubrachyuran crab in Burmese amber. (A to D) Holotype LYAM-9. (A) Whole amber sample with crab inclusion in ventral view. (B) Close-up of ventral carapace. (C) Whole amber sample with crab inclusion in dorsal view. (D) Close-up of dorsal carapace. White arrows in (B) and (D) indicate the detached left fifth leg or pereopod. Photos by L.X. Figure by J.L.
Dinosaur

First dinosaur era crab fully preserved in amber discovered

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Image: Artists impression of newly identified species Credit: Anthony Hutchings
Dinosaur

Two new species of large predatory dinosaur discovered on Isle of...

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Life reconstruction of herbivorous dinosaurs based on 220-million-year-old fossil footprints from Ipswich, Queensland, Australia. (Image credit: Anthony Romilio)
Dinosaur

‘Raptor-like’ dinosaur discovered in Australian mine, actually uncovered as a timid...

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Artist’s impression of Spinosaurus. Credit: Davide Bonadonna
Dinosaur

Early dinosaurs may have lived in social herds as early as...

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Ecological changes following intense volcanic activity 230 million years ago paved the way for dinosaur dominance
Dinosaur

Dinosaurs’ ascent driven by volcanoes powering climate change

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The extinction of their competitors allowed snakes to move into new niches and diversify enormously (Credit: Joschua Knüppe).
Dinosaur

Modern snakes evolved from a few survivors of dino-killing asteroid

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University of Tsukuba researchers have described a new apex predator from the lower Upper Cretaceous of Central Asia, Ulughbegsaurus uzbekistanensis, which coexisted with a smaller tyrannosauroid
Dinosaur

Who was king before Tyrannosaurus? Uzbek fossil reveals new top dino

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Early lineages of mammal like this large Gobiconodon from Mongolia, outcompeted the ancestors of modern mammals in the time of dinosaurs. Credit: Corbin Rainbolt
Dinosaur

Mammals in the time of dinosaurs held each other back

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Hesperornis image provided by the Yale Peabody Museum of Natural History. (Photo: Robert Lorenz)Hesperornis image provided by the Yale Peabody Museum of Natural History. (Photo: Robert Lorenz)
Dinosaur

What can a dinosaur’s inner ear tell us? Just listen

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"Hollywood" specimen, same species as Teratophoneus, discovered approximately two miles north of the "Rainbows and Unicorns Quarry" on Grand Staircase-Escalante National Monument. Credit: U.S. Bureau of Land Management
Dinosaur

Fearsome tyrannosaurs were social animals, study shows

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Over approximately 2.5 million years, North America likely hosted 2.5 billion Tyrannosaurus rexes, a minuscule proportion of which have been dug up and studied by paleontologists, according to a UC Berkeley study. (Image by Julius Csotonyi, courtesy of Science magazine)
Dinosaur

How many T. rexes were there? Billions

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The world's smallest stegosaur footprint (less than 6 cm long), Xingjiang, China. Photo credit - Lida Xing.
Dinosaur

Tiny cat-sized stegosaur leaves its mark

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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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