• Shimanskya is a late Carboniferous fossil tentatively interpreted as an early spirulid. This identification was based on: the well-developed phragmocone...
    5 KB (562 words) - 07:58, 10 December 2023
  • Thumbnail for Spirulida
    extinct taxa. Oldest representative: Carboniferous, though contested: see Shimanskya Oldest uncontested representative: Late Jurassic Order Spirulida ?Family...
    2 KB (106 words) - 07:54, 10 December 2023
  • Thumbnail for Ammonoidea
    Ellesmerocerida Orthocones: Endocerida, Orthocerida, Actinocerida Brevicones: Ascocerida, Oncocerida Earliest coiled cephalopods: Tarphycerida Spirulid?: Shimanskya...
    52 KB (5,802 words) - 20:36, 21 June 2024
  • Thumbnail for Nautiloid
    Ellesmerocerida Orthocones: Endocerida, Orthocerida, Actinocerida Brevicones: Ascocerida, Oncocerida Earliest coiled cephalopods: Tarphycerida Spirulid?: Shimanskya...
    37 KB (3,465 words) - 14:06, 14 June 2024
  • Thumbnail for Orthoceras
    Ellesmerocerida Orthocones: Endocerida, Orthocerida, Actinocerida Brevicones: Ascocerida, Oncocerida Earliest coiled cephalopods: Tarphycerida Spirulid?: Shimanskya...
    5 KB (437 words) - 18:48, 12 January 2024
  • Thumbnail for Ammonitida
    Ellesmerocerida Orthocones: Endocerida, Orthocerida, Actinocerida Brevicones: Ascocerida, Oncocerida Earliest coiled cephalopods: Tarphycerida Spirulid?: Shimanskya...
    3 KB (204 words) - 01:23, 29 December 2023
  • Thumbnail for Goniatite
    Ellesmerocerida Orthocones: Endocerida, Orthocerida, Actinocerida Brevicones: Ascocerida, Oncocerida Earliest coiled cephalopods: Tarphycerida Spirulid?: Shimanskya...
    7 KB (793 words) - 15:25, 21 June 2024
  • Thumbnail for Bactritida
    Ellesmerocerida Orthocones: Endocerida, Orthocerida, Actinocerida Brevicones: Ascocerida, Oncocerida Earliest coiled cephalopods: Tarphycerida Spirulid?: Shimanskya...
    7 KB (713 words) - 15:28, 30 December 2023
  • Thumbnail for Plectronoceras
    Ellesmerocerida Orthocones: Endocerida, Orthocerida, Actinocerida Brevicones: Ascocerida, Oncocerida Earliest coiled cephalopods: Tarphycerida Spirulid?: Shimanskya...
    3 KB (213 words) - 10:37, 20 March 2024
  • Thumbnail for Belemnoidea
    Ellesmerocerida Orthocones: Endocerida, Orthocerida, Actinocerida Brevicones: Ascocerida, Oncocerida Earliest coiled cephalopods: Tarphycerida Spirulid?: Shimanskya...
    12 KB (1,252 words) - 09:58, 4 February 2024
  • Thumbnail for Endocerida
    Ellesmerocerida Orthocones: Endocerida, Orthocerida, Actinocerida Brevicones: Ascocerida, Oncocerida Earliest coiled cephalopods: Tarphycerida Spirulid?: Shimanskya...
    13 KB (1,355 words) - 03:42, 3 December 2023
  • Thumbnail for Ceratitida
    Ellesmerocerida Orthocones: Endocerida, Orthocerida, Actinocerida Brevicones: Ascocerida, Oncocerida Earliest coiled cephalopods: Tarphycerida Spirulid?: Shimanskya...
    2 KB (184 words) - 12:33, 9 January 2024
  • Ellesmerocerida Orthocones: Endocerida, Orthocerida, Actinocerida Brevicones: Ascocerida, Oncocerida Earliest coiled cephalopods: Tarphycerida Spirulid?: Shimanskya...
    37 KB (4,137 words) - 03:45, 1 July 2024
  • Ellesmerocerida Orthocones: Endocerida, Orthocerida, Actinocerida Brevicones: Ascocerida, Oncocerida Earliest coiled cephalopods: Tarphycerida Spirulid?: Shimanskya...
    8 KB (890 words) - 16:20, 14 January 2024
  • Ellesmerocerida Orthocones: Endocerida, Orthocerida, Actinocerida Brevicones: Ascocerida, Oncocerida Earliest coiled cephalopods: Tarphycerida Spirulid?: Shimanskya...
    2 KB (196 words) - 21:38, 28 April 2021
  • Thumbnail for Prolecanitida
    Ellesmerocerida Orthocones: Endocerida, Orthocerida, Actinocerida Brevicones: Ascocerida, Oncocerida Earliest coiled cephalopods: Tarphycerida Spirulid?: Shimanskya...
    7 KB (741 words) - 19:28, 1 March 2024
  • Thumbnail for Orthoceratidae
    Ellesmerocerida Orthocones: Endocerida, Orthocerida, Actinocerida Brevicones: Ascocerida, Oncocerida Earliest coiled cephalopods: Tarphycerida Spirulid?: Shimanskya...
    3 KB (278 words) - 10:36, 23 June 2024
  • Thumbnail for Lituitida
    Ellesmerocerida Orthocones: Endocerida, Orthocerida, Actinocerida Brevicones: Ascocerida, Oncocerida Earliest coiled cephalopods: Tarphycerida Spirulid?: Shimanskya...
    5 KB (592 words) - 07:43, 15 August 2023
  • Thumbnail for Phragmoteuthida
    Ellesmerocerida Orthocones: Endocerida, Orthocerida, Actinocerida Brevicones: Ascocerida, Oncocerida Earliest coiled cephalopods: Tarphycerida Spirulid?: Shimanskya...
    3 KB (236 words) - 08:19, 8 November 2023
  • Thumbnail for Plectronocerida
    Ellesmerocerida Orthocones: Endocerida, Orthocerida, Actinocerida Brevicones: Ascocerida, Oncocerida Earliest coiled cephalopods: Tarphycerida Spirulid?: Shimanskya...
    4 KB (424 words) - 09:36, 14 February 2023
  • Thumbnail for Belosaepiidae
    Ellesmerocerida Orthocones: Endocerida, Orthocerida, Actinocerida Brevicones: Ascocerida, Oncocerida Earliest coiled cephalopods: Tarphycerida Spirulid?: Shimanskya...
    3 KB (276 words) - 08:05, 3 June 2024
  • Ellesmerocerida Orthocones: Endocerida, Orthocerida, Actinocerida Brevicones: Ascocerida, Oncocerida Earliest coiled cephalopods: Tarphycerida Spirulid?: Shimanskya...
    5 KB (390 words) - 02:52, 29 April 2022
  • Ellesmerocerida Orthocones: Endocerida, Orthocerida, Actinocerida Brevicones: Ascocerida, Oncocerida Earliest coiled cephalopods: Tarphycerida Spirulid?: Shimanskya...
    3 KB (319 words) - 01:15, 1 October 2023
  • Thumbnail for Ascocerida
    Ellesmerocerida Orthocones: Endocerida, Orthocerida, Actinocerida Brevicones: Ascocerida, Oncocerida Earliest coiled cephalopods: Tarphycerida Spirulid?: Shimanskya...
    5 KB (623 words) - 12:58, 6 January 2024
  • Thumbnail for Nautilida
    Ellesmerocerida Orthocones: Endocerida, Orthocerida, Actinocerida Brevicones: Ascocerida, Oncocerida Earliest coiled cephalopods: Tarphycerida Spirulid?: Shimanskya...
    10 KB (1,127 words) - 17:26, 3 December 2023
  • Thumbnail for Phragmoteuthis
    Ellesmerocerida Orthocones: Endocerida, Orthocerida, Actinocerida Brevicones: Ascocerida, Oncocerida Earliest coiled cephalopods: Tarphycerida Spirulid?: Shimanskya...
    3 KB (246 words) - 07:22, 23 May 2024
  • Ellesmerocerida Orthocones: Endocerida, Orthocerida, Actinocerida Brevicones: Ascocerida, Oncocerida Earliest coiled cephalopods: Tarphycerida Spirulid?: Shimanskya...
    5 KB (642 words) - 22:27, 5 November 2023
  • Thumbnail for Actinocerida
    Ellesmerocerida Orthocones: Endocerida, Orthocerida, Actinocerida Brevicones: Ascocerida, Oncocerida Earliest coiled cephalopods: Tarphycerida Spirulid?: Shimanskya...
    7 KB (836 words) - 06:05, 14 September 2023
  • Thumbnail for Orthocerida
    Ellesmerocerida Orthocones: Endocerida, Orthocerida, Actinocerida Brevicones: Ascocerida, Oncocerida Earliest coiled cephalopods: Tarphycerida Spirulid?: Shimanskya...
    10 KB (1,019 words) - 11:12, 24 December 2023
  • Thumbnail for Clymeniida
    Ellesmerocerida Orthocones: Endocerida, Orthocerida, Actinocerida Brevicones: Ascocerida, Oncocerida Earliest coiled cephalopods: Tarphycerida Spirulid?: Shimanskya...
    11 KB (914 words) - 20:37, 10 July 2023