• Thumbnail for Psiloceras
    Psiloceras is an extinct genus of ammonite. Psiloceras is among the earliest known Jurassic ammonites, and the appearance of the earliest Psiloceras species...
    6 KB (472 words) - 18:35, 22 July 2022
  • Thumbnail for Jurassic
    Jurassic as a whole, is marked by the first appearance of the ammonite Psiloceras spelae tirolicum in the Kendlbach Formation exposed at Kuhjoch. The base...
    230 KB (24,881 words) - 15:15, 10 August 2024
  • Thumbnail for Triassic
    ratified 2001 Upper boundary definition First appearance of the ammonite Psiloceras spelae tirolicum Upper boundary GSSP Kuhjoch section, Karwendel mountains...
    69 KB (7,584 words) - 17:18, 13 August 2024
  • Lepidoptera Family: Geometridae Genus: Psilocerea Species: P. vestitaria Binomial name Psilocerea vestitaria C. Swinhoe, 1904 Synonyms Psilocera vestitaria...
    2 KB (205 words) - 07:17, 29 April 2024
  • place in the stratigraphic column where fossils of the ammonite genus Psiloceras first appear. A global reference profile (a GSSP) for the base was defined...
    7 KB (522 words) - 12:32, 13 May 2024
  • Thumbnail for Late Triassic
    Lower GSSP ratified 2008 Upper boundary definition FAD of the Ammonite Psiloceras spelae tirolicum Upper boundary GSSP Kuhjoch section, Karwendel mountains...
    31 KB (3,558 words) - 15:17, 10 August 2024
  • Thumbnail for Early Jurassic
    Time span formality Formal Lower boundary definition FAD of the Ammonite Psiloceras spelae tirolicum. Lower boundary GSSP Kuhjoch section, Karwendel mountains...
    12 KB (992 words) - 15:14, 10 August 2024
  • Thumbnail for Blue Lias
    reference them being deposited before the first appearance of the ammonite Psiloceras planorbis. In certain restricted parts of Britain, the lowermost member...
    25 KB (1,715 words) - 20:32, 13 August 2024
  • and the Jurassic System) is at the first appearance of ammonite genus Psiloceras. In the Tethyan domain, the Rhaetian contains two ammonite biozones. The...
    43 KB (5,052 words) - 01:08, 30 April 2024
  • Thumbnail for Psiloceratidae
    phylloid saddle endings in some. The aptychus is single, found in sutu in Psiloceras Badouxia Guex and Taylor, 1976 Caloceras Discamphiceras Euphyllites Wahner...
    2 KB (158 words) - 19:49, 18 July 2023