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ScienceDaily: Fossils & Ruins News



Environmental oxygen triggers loss of webbed digits



Posted: 13 Jun 2019 11:35 AM PDT


Free fingers have many obvious advantages on land, such as in locomotion and grasping, while webbed fingers are typical of aquatic or gliding animals. But both amphibians and amniotes -- which include mammals, reptiles, and birds -- can have webbed digits. Scientists now show that during embryo development, some animal species detect the presence of atmospheric oxygen, which triggers removal of interdigital webbing.


New 'king' of fossils discovered in Australia



Posted: 13 Jun 2019 06:51 AM PDT


Fossils of a giant new species from the long-extinct group of sea creatures called trilobites have been found on Kangaroo Island, South Australia.
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