• Thumbnail for Astrodon
    Johnston named Astrodon in 1859. However, he did not attach a specific epithet, so Joseph Leidy is credited with naming Astrodon johnstoni (the type species)...
    20 KB (2,288 words) - 03:34, 17 May 2024
  • the Commonwealth of Massachusetts. Retrieved February 12, 2021. "Astrodon johnstoni, Maryland State Dinosaur". Archived from the original on 2006-01-04...
    10 KB (480 words) - 19:00, 24 January 2024
  • Thumbnail for Paleontology in Maryland
    murex snail Ecphora gardnerae gardnerae is the Maryland state fossil. Astrodon johnstoni is the state dinosaur of Maryland. No Precambrian fossils are known...
    20 KB (2,413 words) - 02:06, 13 June 2024
  • Thumbnail for Maryland
    oak Inanimate insignia Beverage Milk Dance Square dance Dinosaur Astrodon johnstoni Food Smith Island cake Fossil Ecphora gardnerae gardnerae Gemstone...
    216 KB (18,722 words) - 00:47, 16 July 2024
  • Thumbnail for North Laurel, Maryland
    Virginia (2005). "Reassessment of the Early Cretaceous Sauropod Astrodon johnstoni Leidy 1865 (Titanosauriformes)". In Carpenter, Kenneth and Tidswell...
    24 KB (2,787 words) - 20:12, 7 November 2023
  • Thumbnail for List of Maryland state symbols
    21, 2011. Retrieved January 26, 2011. "Maryland State Dinosaur - Astrodon johnstoni". Maryland at a Glance. Maryland State Archives. Archived from the...
    23 KB (807 words) - 15:19, 7 June 2024
  • Thumbnail for Christopher Johnston (1822-1891)
    sauropod genus that he suggested the name Astrodon for on the basis of a tooth was described as Astrodon johnstoni by Joseph Leidy. Johnston married Sallie...
    5 KB (563 words) - 02:15, 9 July 2024
  • Tidwell, Virginia (2005). "Reassessment of the Early Cretaceous sauropod Astrodon johnsoni Leidy 1865 (Titanosauriformes )". In Tidwell, Virginia; Carpenter...
    304 KB (17,146 words) - 17:08, 29 June 2024
  • Thumbnail for List of sauropodomorph type specimens
    Virginia (2005). "Reassessment of the Early Cretaceous sauropod Astrodon johnstoni Leidy 1865 (Titanosauriformes)". In Kenneth Carpenter; Virginia Tidswell...
    530 KB (28,182 words) - 05:50, 10 July 2024
  • for genus †Astrocratis acutispina – type locality for species †AstrodonAstrodon johnstoni †Astrophocaudia – type locality for genus †Astrophocaudia slaughteri...
    150 KB (7,243 words) - 02:46, 7 May 2024
  • for genus †Astroconodon denisoni – type locality for species †AstrodonAstrodon johnstoni †Astrophocaudia – type locality for genus †Astrophocaudia slaughteri...
    117 KB (4,564 words) - 19:53, 3 July 2024
  • Thumbnail for Paleontology in the United States
    Calymene celebra Wyoming: Knightia Colorado: Stegosaurus Maryland: Astrodon johnstoni Missouri: Hypsibema missouriensis New Jersey: Hadrosaurus foulkii...
    32 KB (3,095 words) - 22:01, 23 April 2024
  • Thumbnail for History of paleontology in the United States
    microscope. Johnson named the teeth Astrodon. In 1865 Joseph Leidy formally named the species Astrodon johnstoni after Christopher Johnston. This represents...
    62 KB (6,878 words) - 08:40, 18 May 2024
  • dardeni – type locality for species Astarte †Astarte culebrensis †AstrodonAstrodon johnstoni – type locality for species Contents A B C D E F G H I J K L...
    34 KB (1,784 words) - 18:25, 12 February 2024
  • Astrodon johnstoni...
    9 KB (399 words) - 03:35, 15 July 2024
  • †Allosaurus †Amyda †Ancilla †Anomia †Anomoeodus Arrhoges Astarte †AstrodonAstrodon johnstoni – type locality for species †Baculites †Baculites baculus †Bottosaurus...
    44 KB (1,498 words) - 10:00, 12 June 2024
  • Thumbnail for Arundel Formation
    ornithomimosaurian (though it most likely is Nedcolbertia), the sauropod Astrodon, the nodosaurid Priconodon, a possible basal ceratopsian, and potentially...
    15 KB (947 words) - 20:06, 14 May 2024