News tagged with paleozoic
Unexpected exoskeleton remnants found in Paleozoic fossils
Surprising new research shows that, contrary to conventional belief, remains of chitin-protein complex -- structural materials containing protein and polysaccharide -- are present in abundance in fossils of ...
Other Sciences / Archaeology & Fossils
Feb 07, 2011 |
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Pterygotid sea scorpions: No longer terror of the ancient seas?
Experiments by a team of researchers in New York and New Jersey have generated evidence that questions the common belief that the pterygotid eurypterids ("sea scorpions") were high-level predators in the Paleozoic oceans.
Dec 22, 2010 |
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Geologists look for answers in Antarctica
Focusing on a controversial hypothesis that ice existed at the equator some 300 million years ago during the late Paleozoic Period, two University of Oklahoma researchers originated a project in search of clues to the Earth's ...
Space & Earth / Earth Sciences
Feb 23, 2010 |
4.5 / 5 (2) |
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How does this grab you? Study identifies first ancestor with a 'grasping hand'
In the Late Paleozoic (260 million years ago), long before dinosaurs dominated the Earth, ancient precursors to mammals took to the trees to feed on leaves and live high above predators that prowled the land, ...
Other Sciences / Archaeology & Fossils
Jul 29, 2009 |
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Search results for paleozoic
Houston museum unveils $85 million dinosaur hall
(AP) -- Pups in her womb, a large eye visible behind the rib cage, one baby stuck in the birth canal: all fossilized evidence that this ancient marine beast, the Ichthyosaur, died in childbirth.
Other Sciences / Archaeology & Fossils
May 22, 2012 |
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International team unearths oldest-ever reptile embryos
Dating back 280 million years or so, the oldest known fossil reptile embryos have been unearthed in Uruguay and Brazil. They belong to the ancient aquatic reptiles, mesosaurs. The study of these exceptionally ...
Other Sciences / Archaeology & Fossils
Apr 12, 2012 |
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Mechanism for Burgess Shale-type preservation
The Burgess Shale of British Columbia is arguably the most important fossil deposit in the world, providing an astounding record of the Cambrian "Explosion," the rapid flowering of complex life from single-celled ancestors. ...
Space & Earth / Earth Sciences
Mar 07, 2012 |
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Flipped from head to toe: 100 years of continental drift theory
Exactly 100 years ago, on 6 January 1912, Alfred Wegener presented his theory of continental drift to the public for the first time. At a meeting of the Geological Association in Frankfurt's Senckenberg Museum, he revealed ...
Space & Earth / Earth Sciences
Jan 04, 2012 |
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New captorhinid reptile found in China
A new captorhinid reptile, Gansurhinus qingtoushanensis, gen. et sp. nov., was found from Xidagou Formation (Middle Permian) at Qingtoushan (Dashankou) locality near Yumen, Gansu Province, and from Naobao ...
Other Sciences / Archaeology & Fossils
May 23, 2011 |
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Reptilian root canal: Study reveals infection in jaw of ancient fossil
A reptile that lived 275-million years ago in what is now Oklahoma is giving paleontologists a glimpse of the oldest known toothache.
Other Sciences / Archaeology & Fossils
Apr 18, 2011 |
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Paleontologists audition modern examples of ancient behavior
Paleontologists agree that it's difficult to observe behavior in fossil specimens that are dead – even extinct – and petrified. One method is to find a modern, living, species that has some similarities to the ancient ...
Other Sciences / Archaeology & Fossils
Mar 16, 2011 |
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Advanced Light Source finds big surprise in Paleozoic scorpion fossil
(PhysOrg.com) -- It’s not quite Jurassic Park, but who wants Paleozoic scorpions scurrying around anyway? Scientists used a powerful microscope at the U.S. Department of Energy’s Lawrence Berkeley ...
Other Sciences / Archaeology & Fossils
Mar 01, 2011 |
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Relationship found between ancient climate change and mass extinction
(PhysOrg.com) -- In the Late Ordovician Period of Earth's geologic history, about 450 million years ago, more than 75 percent of marine species perished and Earth scientists have been seeking to discover what ...
Space & Earth / Earth Sciences
Feb 18, 2011 |
3.3 / 5 (3) |
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Oxygen fuels the fires of time
Variations in the Earth's atmospheric oxygen levels are thought to be closely linked to the evolution of life, with strong feedbacks between uni- and multicellular life and oxygen. Over the past 400 million years the level ...
Space & Earth / Earth Sciences
Aug 02, 2010 |
4.8 / 5 (14) |
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List of search results for paleozoic
