• Thumbnail for Joseph Leidy
    Joseph Mellick Leidy (September 9, 1823 – April 30, 1891) was an American paleontologist, parasitologist and anatomist. Leidy was professor of anatomy...
    17 KB (1,755 words) - 20:51, 1 November 2024
  • Philadelphia, Pennsylvania, USA. It was named after US palaeontologist Joseph Leidy. The award was established in 1923 to recognize excellence in "publications...
    4 KB (326 words) - 19:39, 31 October 2024
  • Thumbnail for Epicyon
    ricardoensis, Osteoborus validus, and Tephrocyon mortifer, and was named by Joseph Leidy as a subgenus. It was recombined as Aelurodon haydeni by Scott and Osborn...
    12 KB (1,391 words) - 03:37, 17 March 2024
  • Thumbnail for Academy of Natural Sciences of Drexel University
    Ferdinand V. Hayden, Isaac Lea, William W. Jefferis, John Lawrence LeConte, Joseph Leidy, Samuel George Morton, George Ord, and James Rehn were members. Corresponding...
    66 KB (7,446 words) - 14:51, 6 September 2024
  • Leidy is a surname and given name. Notable people with the name include: surname Joseph Leidy (1823–1891), American paleontologist Paul Leidy (1813–1877)...
    449 bytes (91 words) - 11:12, 2 September 2021
  • Thumbnail for Hadrosaurus
    Hadrosaurus (category Taxa named by Joseph Leidy)
    as the Hadrosaurus foulkii Leidy site, is now a National Historic Landmark. Foulke contacted paleontologist Joseph Leidy, and together they recovered...
    21 KB (1,851 words) - 18:17, 25 August 2024
  • Thumbnail for Pectinatella magnifica
    Pectinatella magnifica (category Taxa named by Joseph Leidy)
    Kyiv Van Der Waaij, Michiel (October 19, 2011). "Pectinatella magnifica (Leidy 1851)". Bryozoans.nl - Zoetwater Bryozoen (mosdiertjes) in Nederland. "Pectinatella...
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  • Thumbnail for Xiphactinus
    Xiphactinus (category Taxa named by Joseph Leidy)
    sic Vavrek, M.J.; Murray, A.M.; Bell, P.R. (2016). "Xiphactinus audax Leidy, 1870 from the Puskwaskau Formation (Santonian to Campanian) of northwestern...
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  • Thumbnail for American lion
    proper description until 1853 when Joseph Leidy named the fragmentary specimen (ANSP 12546) Felis atrox ("savage cat"). Leidy named another species in 1873...
    40 KB (4,416 words) - 05:47, 27 October 2024
  • Thumbnail for Hadrosaurus Foulkii Leidy Site
    Foulke in 1858. The dinosaur was later named Hadrosaurus foulkii by Joseph Leidy. The site, designated a National Historic Landmark in 1994, is now a...
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  • Thumbnail for Megacerops
    Megacerops (category Taxa named by Joseph Leidy)
    existing for approximately 4.1 million years. Megacerops was named by Leidy (1870). Its type species is Megacerops coloradensis. It was synonymized...
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  • Thumbnail for Ferdinand Vandeveer Hayden
    the collection of the Smithsonian Institution. American paleontologist Joseph Leidy obtained most of his fossil specimens from Hayden. Hayden Valley in Yellowstone...
    17 KB (1,714 words) - 23:50, 31 October 2024
  • Thumbnail for Bison antiquus
    Bison antiquus (category Taxa named by Joseph Leidy)
    complete horn core. The fossil (ANSP 12990) was briefly described by Joseph Leidy in 1852. Although the original fossils were fragmentary, a complete skull...
    17 KB (1,824 words) - 22:03, 19 October 2024
  • Thumbnail for Panthera onca augusta
    Ferdinand Vandeveer Hayden on the Platte River of Nebraska and sent to Joseph Leidy at the Academy of Natural Sciences in Philadelphia, who named them Felis...
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  • Thumbnail for Amoeba proteus
    Amoeba proteus (category Taxa named by Joseph Leidy)
    Friedrich Müller referred to it as Proteus diffluens in 1786. In 1878, Joseph Leidy proposed the current name Amoeba proteus to describe Rösel's Proteus...
    7 KB (696 words) - 15:36, 28 October 2024
  • Thumbnail for Dr. Joseph Leidy House
    The Dr. Joseph Leidy House is a historic residence located at 1319 Locust Street between S. 13th and S. Juniper Streets in the Washington Square West neighborhood...
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  • Thumbnail for Trachodon
    Trachodon (category Taxa named by Joseph Leidy)
    ceratopsids (their teeth have a distinctive double root), and its describer, Joseph Leidy, came to recognize the difference and suggested limiting the genus to...
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  • Thumbnail for Uintatherium
    Uintatherium (category Taxa named by Joseph Leidy)
    parietal horn, and fragmentary postcrania. The following year, Marsh and Joseph Leidy collected in the Eocene Beds near Fort Bridger while Edward Cope, Marsh's...
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  • Thumbnail for Joseph Wharton
    internationally known guests, including biologists Thomas Huxley and Joseph Leidy, astronomer Samuel Langley, scientist Lord Kelvin, Senators James Blaine...
    30 KB (3,722 words) - 17:38, 7 October 2024
  • Thumbnail for Massospora cicadina
    to them, for they still continue on Singing till they die. In 1851, Joseph Leidy described and illustrated the fungus that had apparently caused the abdominal...
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  • Thumbnail for Dire wolf
    obtained by the geologist Joseph Granville Norwood from an Evansville collector, Francis A. Linck. The paleontologist Joseph Leidy determined that the specimen...
    109 KB (11,757 words) - 15:27, 4 November 2024
  • Thumbnail for Troodon
    Troodon (category Taxa named by Joseph Leidy)
    diet. The name was originally spelled Troödon (with a diaeresis) by Joseph Leidy in 1856, which was officially amended to its current status by Sauvage...
    28 KB (3,208 words) - 19:21, 28 October 2024
  • Thumbnail for Evolution of the horse
    palæontological discoveries." In 1848, a study On the fossil horses of America by Joseph Leidy systematically examined Pleistocene horse fossils from various collections...
    58 KB (6,775 words) - 07:39, 21 May 2024
  • Thumbnail for Trichinosis
    infection was unclear at the time. A decade later, American scientist Joseph Leidy pinpointed undercooked meat as the primary vector for the parasite, and...
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  • Thumbnail for Natural history museum
    well as within their unique ecosystems. Naturalists such as American Joseph Leidy pushed for greater emphasis on the biological perspective in exhibits...
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  • Thumbnail for Anthracotheriidae
    Anthracotheriidae (category Taxa named by Joseph Leidy)
    Suborder: Whippomorpha Superfamily: Hippopotamoidea Family: †Anthracotheriidae Leidy, 1869 Genera and subfamilies †Anthracohyus †Anthracothema †Bugtitherium...
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  • 1823 – Joseph Leidy, American paleontologist and academic (d. 1891) 1828 – Leo Tolstoy, Russian author and playwright (d. 1910) 1834 – Joseph Henry Shorthouse...
    77 KB (6,923 words) - 02:14, 28 October 2024
  • Thumbnail for Archaeotherium
    Oregon and the Trans-Pecos area of Texas. Archaeotherium was named by Joseph Leidy in 1850, based on a partial skull (ANSP 10609) recovered from the White...
    16 KB (1,736 words) - 21:35, 28 October 2024
  • Thumbnail for The Agnew Clinic
    William White, applying a bandage to the patient; Dr. Joseph Leidy (nephew of paleontologist Joseph Leidy), taking the patient's pulse; and Dr. Ellwood R....
    7 KB (749 words) - 11:20, 24 August 2024
  • Thumbnail for Antrodemus
    Antrodemus (category Taxa named by Joseph Leidy)
    valens, first described and named as a species of Poekilopleuron by Joseph Leidy in 1870. The first described fossil specimen was a bone obtained secondhand...
    7 KB (656 words) - 08:59, 21 October 2024