• Morphological features of specimens preserved in amber can help to reveal habitats and evolutionary strategies that occurred in fossil lineages. (nih.gov)
  • The scant fossil record of stem-turtles (i.e., non-Testudines Testudinata) has further obscured the evolutionary origin of this group. (frontiersin.org)
  • They claim to have fossil evidence from Mesozoic rocks, showing the evolutionary transition from creatures with one ear ossicle and a quadrate-articular jaw joint to mammals with three ear ossicles and a dentary-squamosal jaw joint. (creation.com)
  • While research has focused largely on the origin of the anapsid skull and unique postcranial anatomy, little is known about the endocranial anatomy of turtles. (frontiersin.org)
  • More temporally and taxonomically comprehensive research has been limited by low sample sizes of postcranial fossils, which is likely a function of the rarity of these elements (and extreme rarity of skeletons) relative to the thousands of mammalian teeth known from these deposits (e.g. (palaeo-electronica.org)
  • Mammals and birds lack these third eyes, raising questions about how this anatomy ended up in some terrestrial species but not others. (2newthings.com)
  • We predict that bite force in large white sharks may exceed c. 1.8 tonnes, the highest known for any living species, and suggest that forces may have been an order of magnitude greater still in the gigantic fossil species Carcharodon megalodon. (researchgate.net)
  • Additional fossils of the newfound species could help fine-tune Jormungandr walhallaensis' position on the mosasaur family tree, said Konishi, who studies mosasaur evolution and was not involved in the study. (yahoo.com)
  • But Hastocularis argus , the new species described by the researchers from the fossil, has both median and lateral eyes. (amnh.org)
  • Both were created by the same author (J. J. v. Tschudi), in the same year (1837), in the same published work, but Andrias was traditionally restricted to fossils and Megalobatrachus was traditionally restricted to the living species. (scienceblogs.com)
  • I have done fieldwork with colleagues around the world and have described over 20 new species of fossil vertebrates. (lu.se)
  • My lab's mission is ultimately to "flesh out" dinosaurs and related species, combining classical anatomy with high-tech CT scanning and 3D modeling to shed light on dinosaur biology. (lu.se)
  • Scientists of the time traveled from as far away as New York City to Lyme Regis to consult and hunt for fossils with Anning. (smithsonianmag.com)
  • We will use high-resolution computed tomography to reconstruct brains from fossil reptiles, with focus on basal groups and dinosaurs. (lu.se)
  • We've published numerous articles on brain endocast structure in all the major groups of crocodilians, dinosaurs, and fossil birds, including diverse ornithischians, sauropods, and theropods. (lu.se)
  • The fossil was collected in 2015 by the North Dakota Geological Survey, a state agency dedicated to geology and public education about minerals and fossils. (yahoo.com)
  • Largely, this is because of barriers between cognitive zoologists and neurologists who study extant animals and palaeontologists who study fossils. (lu.se)
  • Fortunately, CT scans of S. ensidens were able to capture enough detail in skull anatomy to reveal that this extinct lizard had both the fish and lizard versions of these eyes, clearly demonstrating that the two variations developed in parallel to each other, rather than in succession. (2newthings.com)
  • The oldest known fossils are from the Early Cretaceous ( Aptian ) Zaza Formation of Russia and the Shar-Tolgoy and Dzun-Bain Formations of Mongolia, assignable to the extant genus Trox as well as the extinct genera Cretomorgus and Paratrox . (wikipedia.org)
  • The journal also accepts submissions on sub-fossil or recently extinct mammals. (degruyter.com)
  • Evolutionists claim to have good fossil evidence for the transition of synapsids to modern mammals. (creation.com)
  • 1 Eight years later John Woodmorappe published an analysis of the character traits of 'mammal-like reptiles' (now referred to as non-mammalian synapsids) and fossil mammals. (creation.com)
  • Here, we use fossils of distal humeri from well-sampled and well-studied localities in eastern Montana to document richness, body size, and locomotor patterns among latest Cretaceous and earliest Paleogene mammals. (palaeo-electronica.org)
  • There is no known fossil record. (wikiversity.org)
  • Phillips, E. M. & Walker, A. in The Primate Fossil Record (ed. (nature.com)
  • Humerus size data imply a decrease in body size across the K-Pg boundary, followed by an increase by the late Puercan, a trend consistent with the dental fossil record. (palaeo-electronica.org)
  • Cycloneuralians are ecdysozoans with a fossil record extending to the Early Cambrian Fortunian Age and represented mostly by cuticular integuments. (lu.se)
  • We've developed new imaging and quantitative approaches to track brain-surface structure observed today into the fossil record. (lu.se)
  • one way to achieve this transition is by cutting cash flow to fossil fuel companies, e.g., divesting from fossil fuels personally, in pension plans, and in professional organizational investments. (kevinmd.com)
  • Mining, transporting, and burning fossil fuels emit GHGs, such as CO2 and methane, which are the major causes of global heating and climate change. (kevinmd.com)
  • In "Anatomy of a Fall," Hüller plays a well-known novelist, also named Sandra, whose husband (Samuel Theis) is found dead outside their chalet in the French Alps after plunging from a top-floor window. (pahomepage.com)
  • This makes these fossils the oldest found in Virginia. (confex.com)
  • Other known fossils include Kresnikus beynoni found in mid-Cretaceous aged Burmese amber . (wikipedia.org)
  • We found cicada fossils," says Norell, who also discovered evidence of ginko trees on his expeditions to China. (cicadamania.com)
  • Paleontologists recently described the previously unknown mosasaur from fossils found near the North Dakota town of Walhalla. (yahoo.com)
  • In addition to ichthyosaurs, she found long-necked plesiosaurs, a pterodactyl and hundreds, possibly thousands, of other fossils that helped scientists to draw a picture of the marine world 200 million to 140 million years ago during the Jurassic. (smithsonianmag.com)
  • But a newly described 305-million-year-old fossil found in eastern France shows that wasn't always the case. (amnh.org)
  • They found that developing embryos briefly express this gene in the lateral area, where the second eye pair is located in the fossil. (amnh.org)
  • Most of this came from Glamorgan, in Wales ( Morganucodon watsoni ), but fossils have also been found in the Yunnan province in China ( Morganucodon oehleri ). (creation.com)
  • However, internal anatomies of Fortunian cycloneuralians are virtually unknown, hampering our understanding of their functional morphology and phylogenetic relationships. (lu.se)
  • For the past almost 30 years, our team has explored numerous functional systems (e.g., jaw muscles and feeding, vascular anatomy and thermal physiology), but our work on the deep-time evolution of neural systems and behavior began in 2003 with an article in Nature on brain structure in pterosaurs and has continued ever since. (lu.se)
  • Our X-ray techniques have allowed us to reveal this fossil in more detail than we would have dreamed possible two decades ago. (amnh.org)
  • The acanthothoracid placoderms are among the phylogenetically most basal and morphologically primitive gnathostomes, but their neurocranial anatomy is poorly understood. (plos.org)
  • This glossary explains technical terms commonly employed in the description of dinosaur body fossils. (wikipedia.org)
  • The fossil] captures a moment in time over 300 million years ago when a flying insect just happened to land on a damp, muddy surface leaving almost a perfect impression of its body behind," said researcher Jake Benner, a paleontologist at Tufts University in Massachusetts. (livescience.com)
  • Here we describe the first demonstrable crown strepsirrhines from the Afro-Arabian Palaeogene-a galagid and a possible lorisid from the late middle Eocene of Egypt, the latter of which provides the earliest fossil evidence for the distinctive strepsirrhine toothcomb. (nature.com)
  • even some ESG (environmental, social, and governance) investment funds include some fossil fuel investments. (kevinmd.com)
  • Other rest products obviously include silicified, phosphatized and pyritized fossils and acid resistant mineral grains. (lu.se)
  • In the past few years, new fossil finds and novel methodological approaches have prompted intensive discussions about the phylogenetic affinities of turtles and rekindled the debate on their ecological origin, with very distinct scenarios, such as fossoriality and aquatic habitat occupation, proposed for the earliest stem-turtles. (frontiersin.org)
  • This exceptional fossil has given us a rare and detailed look at the anatomy of harvestmen that lived hundreds of millions of years ago. (amnh.org)
  • Typically, scientists have only the remains of wings for their study of insect anatomy . (livescience.com)
  • Fossils preserved in three dimensions are quite rare," said Russell Garwood, a research fellow at the University of Manchester and a lead author on the study. (amnh.org)