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Articles in 'Geology and palaeontology' (Page 102)
Definitive evidence of a swimming dinosaur
— 24 May 2007 18:09An extraordinary underwater trackway with 12 consecutive prints provides the most compelling evidence to-date that some dinosaurs were swimmers. The 15-meter-long trackway, located in La Virgen del Campo track site in Spains Cameros Basin, contains the first long and continuous record of swimming by a non-avian therapod dinosaur…
Prehistoric mystery organism confirmed as giant fungus
— 23 Apr 2007 07:15Scientists at the University of Chicago and the National Museum of Natural History in Washington, DC, have produced new evidence to finally resolve the mysterious identity of what they regard as one of the weirdest organisms that ever lived. Their chemical analysis indicates that the organism was a fungus, the scientists report in the May issue of the journal of Geology, published by the Geological Society of America. Called Prototaxites, the organism went extinct approximately 350 million years ago…
The first rainforest of our planet unearthed
— 23 Apr 2007 05:30A spectacular fossilised forest has transformed our understanding of the ecology of the Earths first rainforests. It is 300 million years old. The forest is composed of a bizarre mixture of extinct plants: abundant club mosses, more than 40 metres high, towering over a sub-canopy of tree ferns, intermixed with shrubs and tree-sized horsetails. Nowhere elsewhere on the planet is it possible to (literally) walk through such an extensive swathe of Carboniferous rainforest…
Fossilised trees mystery solved
— 18 Apr 2007 19:25An international research team from the Cardiff University, Binghamton University, New York and from New York State Museum has found evidence of the Earths earliest forest trees, dating back 385 million years. The findings are published in the new issue of the scientific journal Nature…
Ancient amphibians evolved a bite before migrating to dry land
— 18 Apr 2007 00:05Ancient aquatic amphibians developed the ability to feed on land before completing the transition to terrestrial life, researchers from Harvard University report this week in the Proceedings of the National Academy of Sciences…
An early modern human from China
— 3 Apr 2007 00:30Researchers at Washington University in St Louis and the Institute of Vertebrate Paleontology and Paleoanthropology in Beijing have been studying a 40,000-year-old early modern human skeleton found in China and have determined that the out of Africa dispersal of modern humans may not have been as simple as once thought…
Fossil discovery marks earliest record of limbloss in ancient lizard
— 22 Mar 2007 20:22A University of Alberta palaeontologist has helped discover the existence of a 95 million-year-old snakelike marine animal, a finding that provides not only the earliest example of limbloss in lizards but the first example of limbloss in an aquatic lizard…
New mammal from Mesozoic Era discovered
— 15 Mar 2007 02:52An international team of American and Chinese palaeontologists has discovered a new species of mammal that lived 125 million years ago during the Mesozoic Era, in what is now the Hebei Province in China. The new mammal, documented in the journal Nature, provides first-hand evidence of early evolution of the mammalian middle ear - one of the most important features for all modern mammals. The discovery was funded by the National Science Foundation (NSF)…
Caribbean extinctions occurred 2M years after apparent cause
— 12 Mar 2007 23:17Smithsonian scientists and colleagues report a new study that may shake up the way palaeontologists think about how environmental change shapes life on Earth. The researchers summarised the environmental, ecological and evolutionary consequences for Caribbean shallow-water marine communities when the Isthmus of Panama was formed. They concluded that extinctions resulting when one ocean became two were delayed by 2 million years…
Young dinosaurs roamed together, died together
Mini dinosaurs prowled North America