• Thumbnail for Abrotocrinus
    Abrotocrinus is an extinct genus of crinoids. This genus is known in the fossil records of the Carboniferous period of United States and Canada (age range:...
    1 KB (87 words) - 20:28, 17 December 2021
  • occurrences of Precambrian fossils in Indiana. †AbrotocrinusAbrotocrinus coreyi †Abrotocrinus nodosus †Abrotocrinus unicus †Achistrum †Achistrum brevis – type...
    30 KB (1,159 words) - 18:37, 6 January 2024
  • Abrotocrinus Agassizocrinus A. conicus Bronaughocrinus B. cherokeensus Cryphiocrinus C. bowsheri C. girtyi Dichocrinus D. girtyi Pentaramicrinus P. nitidus...
    7 KB (269 words) - 11:53, 9 August 2024
  • known occurrences of Precambrian fossils in Kentucky. †AbrotocrinusAbrotocrinus coreyi †Abrotocrinus unicus †Achatella †Achistrum †Achistrum ludwigi †Achistrum...
    14 KB (472 words) - 13:29, 23 September 2023
  • Thumbnail for List of crinoid genera
    Timor : 29  Abracrinus (jun. syn. of Carpocrinus) d'Orbigny 1849 : 47  Abrotocrinus Miller & Gurley 1890 A. cymosus Miller & Gurley, 1890 Staphylocrinidae...
    308 KB (14,597 words) - 21:07, 17 October 2024
  • Y Z †Abatocrinus †Abatocrinus grandis †AbrotocrinusAbrotocrinus coreyi †Abrotocrinus nodosus †Abrotocrinus unicus †Acacocrinus †Acacocrinus americanus...
    133 KB (6,285 words) - 07:48, 13 February 2024
  • informal †AbrotocrinusAbrotocrinus coreyi †Abrotocrinus debrae †Abrotocrinus manus – tentative report †Abrotocrinus springeri †Abrotocrinus unicus †Achatella...
    94 KB (4,588 words) - 07:48, 13 February 2024
  • Thumbnail for List of prehistoric echinoderm genera
    †Abatocrinus †Abatus †Abertella †Abludoglyptocrinus †Abrachiocrinus †Abrotocrinus †Abyssocrinus †Acacocrinus †Acanthechinus †Acanthocaudina †Acanthocrinus...
    73 KB (3,153 words) - 22:02, 22 October 2024