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Category: Paleontology

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  • Paleontologists Find Ancient Proteins in 18-Million-Year-Old Mammal Tooth Enamel

    Paleontologists Find Ancient Proteins in 18-Million-Year-Old Mammal Tooth Enamel

    Paleontologists have discovered protein sequences within dense enamel tissues of ancient rhinocerotid and proboscidean fossils collected at sites of Buluk and Loperot in the Turkana Basin, Kenya.

    The Turkana Basin within the East African Rift…

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  • Eighteen million years of diverse enamel proteomes from the East African Rift

    Eighteen million years of diverse enamel proteomes from the East African Rift

  • Kendall, C., Eriksen, A. M. H., Kontopoulos, I., Collins, M. J. & Turner-Walker, G. Diagenesis of archaeological bone and tooth. Palaeogeogr. Palaeoclimatol. Palaeoecol. 491, 21–37 (2018).

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  • Phylogenetically informative proteins from an Early Miocene rhinocerotid

    Phylogenetically informative proteins from an Early Miocene rhinocerotid

    Site and specimen

    Located in the Haughton impact crater (75° N, Nunavut, Canada), the Haughton Formation comprises the remnants of a large, post-impact lacustrine deposit, dated to the Early Miocene. Previous dating estimates, using…

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  • The curious case of how bird wrists evolved

    The curious case of how bird wrists evolved

    The curious case of how bird wrists evolved

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  • Ancient proteins rewrite the rhino family tree — are dinosaurs next?

    Ancient proteins rewrite the rhino family tree — are dinosaurs next?

    Rhinos’ evolutionary relationships became a little clearer with the sequencing of the oldest proteins yet.Credit: Tony Karumba/AFP via Getty

    Researchers have described proteins that they say are among the most ancient ever sequenced. Two teams,…

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  • Reorganization of the theropod wrist preceded the origin of avian flight

    Reorganization of the theropod wrist preceded the origin of avian flight

  • Botelho, J. F. et al. New developmental evidence clarifies the evolution of wrist bones in the dinosaur–bird transition. PLoS Biol. 12, e1001957 (2014).

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  • Unusual Bonebed in Arizona Reveals North America’s Earliest-Known Pterosaur

    Unusual Bonebed in Arizona Reveals North America’s Earliest-Known Pterosaur

    Paleontologists have unearthed the fossilized jawbone of a new pterosaur species alongside hundreds of other fossils — including one of the world’s oldest turtles — at a remote bonebed in Petrified Forest National Park in Arizona, the…

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  • North america’s oldest pterosaur unearthed in Arizona’s Triassic time capsule

    North america’s oldest pterosaur unearthed in Arizona’s Triassic time capsule

    A Smithsonian-led team of researchers have discovered North America’s oldest known pterosaur, the winged reptiles that lived alongside dinosaurs and were the first vertebrates to evolve powered flight. In a paper published on July 7 in…

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  • New insights into the first cervical vertebrae of Otavipithecus and Nacholapithecus

    New insights into the first cervical vertebrae of Otavipithecus and Nacholapithecus

    Comparative anatomy

    The overall morphology of the atlas of GSN BA 104’91 and KNM-BG 35250BE was compared to those of Alouatta, Ateles, Cercocebus, Cercopithecus, Chlorocebus, Erythrocebus, Gorilla, Homo, Hylobates, Macaca, Nasalis, Pan, Papio,…

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