fossil

Fossil disrupts more than a century of knowledge about the origin of modern birds

Fossil disrupts more than a century of knowledge about the origin of modern birds

Artist’s reconstruction of the last known toothed bird, Janavis finalidens, in its native environment surrounded by the concomitant “wonderchicken”, Asteriornis. 66.7 million years ago, parts of Belgium were covered by shallow seas and conditions were similar to modern tropical beaches in places like the Bahamas. Janavis was a very large seabird, with long wings and …

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525 million year old fossil defies textbook explanation of brain evolution – Neuroscience News

Summary: The fossil of a tiny 525-million-year-old sea creature with a preserved nervous system could resolve an age-old debate about arthropod brain evolution. Source: University of Arizona Fossils of a tiny sea creature that died more than half a billion years ago could force a science textbook to rewrite brain evolution. A study published in …

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Armored Lobopodian Cardiodictyon catenulum Reconstruction

Are science textbooks wrong? 525 Million Year Old Fossil Challenges Common Explanation of Brain Evolution

Artist’s impression of a 525 million year old Cardiodictyon catenulum on the shallow coastal seafloor, emerging from the shelter of a small stromatolite built by photosynthetic bacteria. Credit: Nicholas Strausfeld/University of Arizona Fossils of a tiny sea creature with a delicately preserved nervous system resolve a century-old debate about brain evolution in arthropods, the most …

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The innards of a voracious carnivorous dinosaur preserved in an exceptionally rare fossil

The “exceptional” fossil of Fragrant daurlong from the Upper Cretaceous period of Inner Mongolia, China. (Image credit: Wang, X. et al. Scientific Reports (2022); (CC BY 4.0)) (opens in a new tab) More than 100 million years ago, a fearsome bird-like dinosaur was swept into a lake and transformed into an exceptional fossil in what …

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525 Million Year Old Fossil Challenges Textbook Explanation of Brain Evolution

525 Million Year Old Fossil Challenges Textbook Explanation of Brain Evolution

Artist’s impression of a 525 million year old Cardiodictyon catenulum on the shallow coastal seafloor, emerging from the shelter of a small stromatolite built by photosynthetic bacteria. Credit: Nicholas Strausfeld/University of Arizona Fossils of a tiny sea creature that died more than half a billion years ago could force a science textbook to rewrite brain …

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'Weird Wonder' fossil discovery adds piece to arthropod evolution puzzle

‘Weird Wonder’ fossil discovery adds piece to arthropod evolution puzzle

By Harvard University, Department of Organismal and Evolutionary Biology November 24, 2022 Artistic reconstruction of Ordovician Mieridduryn bonniae fossils. Credit: Original work by Franz Anthony Welsh fossils from ‘strange wonders’ provide new clues to arthropod evolutionary history. The most famous fossils of the Cambrian explosion of animal life, which occurred more than half a billion …

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