Saturday, January 23, 2021
Paleontology

Paleontology

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Part of a jawbone of the 422-million-year-old fossil bony fish Lophosteus, visualized with a high-resolution X-ray technique. On the right, the surface of the jawbone is shown in gray. In the middle, exposed teeth are highlighted in gold and dermal odontodes in shades of purple, pink and red. On the left, the bone itself is made transparent, revealing internal blood vessels and pulp cavities, shown in blue and green, as well as the embedded teeth and dermal odontodes. Credit: Chen et al. (CC BY 4.0)
Paleontology

Primitive fish fossils reveal developmental origins of teeth

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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.
Paleontology

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

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Illustration shows a cross section of the prehistoric iguana burrow, and how the surrounding landscape may have looked during the Late Pleistocene Epoch. Credit: Anthony Martin.
Paleontology

First-known fossil iguana burrow found in the Bahamas

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Illustration of Thalassodraco etchesi. Credit: Megan Jacobs
Paleontology

Prehistoric ‘sea dragon’ discovered on English Channel Coast is identified as...

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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
Paleontology

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.
Paleontology

Archaeopteryx fossil provides insights into the origins of flight

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Representative Image: Holotype of Onychonycteris finneyi
Paleontology

Researchers discover 16 million-year-old bat fossil

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An artist's reconstruction of 'Anomalocaris' briggsi swimming within the twilight zone. Credit: Katrina Kenny
Paleontology

Incredible vision in ancient marine creatures drove an evolutionary arms race

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New loriciferan from Japan: Wataloricus japonicus Credit: Shinta Fujimoto
Paleontology

A New Species of Rare Phylum Loricifera Discovered in the Deep-sea...

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

Only dinosaurs found in ireland described for the first time

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Nearly complete exoskeleton (left) and cranidium (right) of Phantaspisauritus gen. et sp. nov. Credit: NIGPAS
Paleontology

New trilobite fossil reveals cephalic specialization of trilobites in Middle Cambrian

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Amber piece from the site of San Just with dinosaur feather remains. Credits: S. Álvarez Parra et al. Scientific Reports
Paleontology

Palaeontologists describe a preservation process unique to resins

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With mouths closed, the older, smaller teeth of the ancestors of today’s sharks stood upright on the jaw, while the younger and larger teeth pointed towards the tongue and were thus invisible when the mouth was closed. Credit: Christian Klug, UZH
Paleontology

Prehistoric shark hid its largest teeth

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An artist impression of the newly discovered extinct monk seal species Credit: Jaime Bran. Copyrigh: Museum of New Zealand Te Papa.
Paleontology

Eomonachus belegaerensis : New fossil seal species rewrites history

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Map & Skulls. Credit: Journal of Vertebrate Paleontology
Paleontology

Paleontologists uncover three new species of extinct walruses in Orange County

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Similar to present-day diurnal birds of prey (right), the talons on the hind toe and the second toe of Primoptynx poliotauros (left) are noticeably larger than the talons on the third and fourth toe. In modern owls (center) all four talons are roughly the same size.
Paleontology

A 55-Million-Year-Old Owl Skeleton

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Fungus gnat trapped in a piece of defaunation resin from Madagascar. Credit: Enrique Peñalver
Paleontology

After 1760 It Is Called Resin

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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
Paleontology

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)
Paleontology

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

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The extinct Kiritimati Sandpiper, Prosobonia cancellata - a close cousin of the newly discovered Prosobonia sauli. Credit: George Edward Lodge, 1907
Paleontology

Henderson island fossils reveal new Polynesian sandpiper species

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