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Keyword: missingtransitions

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  • Researchers Sequence Genome of Neanderthal Woman from Chagyrskaya Cave

    06/21/2020 9:21:18 PM PDT · by SunkenCiv · 10 replies
    Sci-News ^ | June 18, 2020 | Enrico de Lazaro
    One of these Neanderthal genomes was from an individual (Vindija 33) found in Vindija Cave in Croatia, whereas the other Neanderthal genome (Denisova 5 or the Altai Neanderthal) and the Denisovan genome (Denisova 3) both came from specimens discovered in Denisova Cave in the Altai Mountains... The researchers found that Chagyrskaya 8 lived 80,000 years ago, about 30,000 years after the Denisova 5 Neanderthal and 30,000 years before the Vindija 33 Neanderthal. They also found that the Chagyrskaya Neanderthal was a female and that she was more closely related to Vindija 33 and other Neanderthals in western Eurasia than to...
  • Paleontologists Find World's Oldest Fossil Bug

    06/21/2020 9:26:10 PM PDT · by SunkenCiv · 12 replies
    Sci-News ^ | June 2, 2020 | News Staff / Source
    Named Kampecaris obanensis, the prehistoric millipede lived during the Silurian period, about 425 million years ago. The ancient creature was a small (2-3 cm in length), short-bodied animal with three recognizable sections. It likely lived near a lake in a semi-arid forested environment and ate decomposing plants. Its fossilized remains were unearthed on the island of Kerrera in the Scottish Inner Hebrides. The specimen is about 75 million years younger than the age other paleontologists have estimated the oldest millipede to be using a technique known as molecular clock dating. The oldest fossil of a land-dwelling, stemmed plant, Cooksonia, has...
  • Paleontologists Find Giant Soft-Shelled Egg of Cretaceous-Period Marine Reptile in Antarctica

    06/21/2020 9:32:14 PM PDT · by SunkenCiv · 11 replies
    Sci-News ^ | June 19, 2020 | News Staff / Source
    Named Antarcticoolithus bradyi, the new fossil is the first fossilized egg found in Antarctica. The specimen exceeds eggs of all known non-avian dinosaurs in volume and differs from them in structure. Measuring 29 by 20 cm (11.4 by 7.9 inches) and weighing 6.5 kg, it is the largest soft-shell egg ever discovered and the second-largest egg of any known animal. Although the elephant bird egg is slightly larger, its eggshell is roughly five times thicker. University of Texas at Austin paleontologist Lucas Legendre and his colleagues from the United States and Chile think that Antarcticoolithus bradyi was laid by a...
  • Eggs of Earliest Dinosaurs Had Soft, Leathery Shells

    06/21/2020 9:37:17 PM PDT · by SunkenCiv · 11 replies
    Sci-News ^ | June 18, 2020 | News Staff / Source
    A team of paleontologists from the United States, Canada and Argentina has analyzed the fossilized eggs of two different non-avian dinosaurs, Protoceratops and Mussaurus, and found that the eggs resembled those of turtles in their microstructure, composition, and mechanical properties. They've also found that hard-shelled eggs evolved at least three times independently in the dinosaur family tree. For many years there was scant fossil evidence of dinosaur eggs, and all known examples were characterized by thick, calcified shells -- leading paleontologists to speculate that all dinosaur eggs were hard-shelled, like those of modern crocodiles and birds. "The assumption has always...
  • Paleontologist Publishes Research on Cannibalism in Dinosaurs

    06/21/2020 9:42:13 PM PDT · by SunkenCiv · 14 replies
    University of Tennessee, Knoxville ^ | May 28, 2020 | Amanda Womac
    Researchers surveyed more than 2,000 dinosaur bones from the Jurassic Mygatt-Moore Quarry, a 152-million-year-old fossil deposit in western Colorado, looking for bite marks. They found more than they were expecting. Big theropod dinosaurs such as Allosaurus and Ceratosaurus ate pretty much everything - including each other... There were theropod bites on the large-bodied sauropods, whose gigantic bones dominate the assemblage, bites on the heavily armored Mymoorapelta, and lots of bites on theropods too, especially the common remains of Allosaurus. There were hundreds of them, in frequencies far above the norm for dinosaur-dominated fossil sites. Some were on meaty bones like...
  • Mysterious new lizard found inside 125-million-year-old flying dinosaur

    07/11/2019 6:36:06 PM PDT · by ETL · 20 replies
    FoxNews.com/science ^ | July 11, 2019 | Chris Ciaccia | Fox News
    Researchers have found the fossilized remains of a new species of lizard inside the stomach of a small flying dinosaur known as a microraptor. Known as Indrasaurus wangi (after an ancient Hindu legend), the lizard was found almost entirely complete, SWNS reports. The lizard was swallowed whole, head first, by the microraptor, a crucial clue that provides new information into the eating habit of the winged dinosaur. "The new lizard had teeth unlike any other previously known from the Jehol Biota, thus expanding the diversity of this clade and possibly suggesting a unique diet for this new species," according to...
  • Ancient Europeans lived alongside a half-ton bird nearly 12 feet tall

    06/26/2019 6:08:26 PM PDT · by BenLurkin · 46 replies
    cnn ^ | June 26, 2019 | Ashley Strickland,
    Inside a Crimean cave was a gigantic ancient mystery just waiting to be uncovered: a bird so large that it weighed nearly as much as an adult polar bear. Giant birds once roamed Madagascar, New Zealand and Australia. The latest fossil find, an intriguing fossilized femur, was recently found in Taurida Cave on the northern coast of the Black Sea. It was discovered along with other fossils, including bison bones, that helped researchers date the now-extinct giant bird to between 1.5 million and 2 million years ago. When the first early human ancestors arrived in Europe, they might have encountered...
  • Incredible dinosaur discovery: Herd of opal-encrusted dinos uncovered

    06/04/2019 9:15:39 PM PDT · by ETL · 24 replies
    FoxNews.com/science ^ | June 4, 2019 | James Rogers | Fox News
    Researchers have discovered the fossilized remains of a herd of dinosaurs in an opal mine in the Australian outback. The fossils were found in the mine near Lightning Ridge, New South Wales, and include a new dinosaur species as well as the world’s most complete opalized dino, according to experts. “We initially assumed it was a single skeleton, but when I started looking at some of the bones, I realised that we had four scapulae (shoulder blades) all from different sized animals,” said Dr. Phil Bell, lead researcher from the University of New England in Australia, in a statement. The...