• Thumbnail for Tarphycerida
    The Tarphycerida were the first of the coiled cephalopods, found in marine sediments from the Lower Ordovician (middle and upper Canad) to the Middle Devonian...
    6 KB (661 words) - 15:12, 13 October 2023
  • Thumbnail for Nautiloid
    membership is somewhat variable between authors, but it usually includes Tarphycerida, Oncocerida, and Nautilida. All nautiloids have a large external shell...
    37 KB (3,449 words) - 06:02, 25 April 2024
  • Thumbnail for Multiceratoidea
    Ellesmerocerida, Oncocerida, Discosorida, and Ascocerida. The order Tarphycerida was considered a potential member of the subclass, though their larger...
    6 KB (564 words) - 01:08, 24 November 2023
  • Thumbnail for Cephalopod
    Oncocerida Order † Discosorida Order † Tarphycerida Order † Barrandeocerida A polyphyletic group now included in the Tarphycerida Order Nautilida Subclass † Bactritoidea...
    134 KB (14,932 words) - 18:06, 2 May 2024
  • Thumbnail for Ammonoidea
    Ellesmerocerida Orthocones: Endocerida, Orthocerida, Actinocerida Brevicones: Ascocerida, Oncocerida Earliest coiled cephalopods: Tarphycerida Spirulid?: Shimanskya...
    49 KB (5,527 words) - 23:25, 24 March 2024
  • Thumbnail for Lituites
    V.24, N.5, pp 604–616, Sept Furnish & Glenister, 1964, Nautiloidea -Tarphycerida. Treatise on Invertebrate Paleontology Part K... Nautiloidea Mutvei,...
    2 KB (199 words) - 03:41, 12 December 2022
  • shells, and fall into the orders Endocerida (with wide siphuncles) and Tarphycerida (with narrow siphuncles). By the mid Ordovician these orders are joined...
    37 KB (4,119 words) - 05:51, 13 May 2024
  • (Barrandeoceratid siphuncles are central - subcentral. Reassignment to the Tarphycerida from the Barrandeocerida is based on barrandeoceratid taxa being polyphyletic...
    2 KB (212 words) - 19:27, 18 July 2023
  • Nautilida, Oncocerida, and Tarphycerida. The superorder has its roots in the Bassleroceratidae, the ancestral family of the Tarphycerida, sometimes included...
    2 KB (167 words) - 19:07, 18 July 2023
  • Thumbnail for Septum (cephalopod)
    estimated maximum depth ranges are: Discosorida (<100 m); Oncocerida and Tarphycerida (<150 m); Actinoceroidea (50–150 m); Ellesmerocerida (50–200 m); Belemnitida...
    3 KB (373 words) - 20:16, 12 November 2022
  • intermediary between the ancestral Ellesmerocerida and the more advanced Tarphycerida and Oncocerida. The order, as originally defined, contains two families...
    4 KB (455 words) - 08:17, 25 January 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
  • nautiloid cephalopods from the upper Caradocian of Estonia, assigned to the Tarphycerida. The type species is Vasalemmoceras tolerabile Stumbur, 1962. Jack Sepkoski...
    987 bytes (39 words) - 16:23, 10 April 2018
  • rings thicken in towardly as in both the Ellesmerocerida and primitive Tarphycerida. Bassleroceras is the type genus of the Bassleroceratidae which Furnish...
    2 KB (190 words) - 08:43, 12 March 2022
  • Thumbnail for List of mollusc orders
    Order Pseudorthocerida † Order Ascocerida † Order Endocerida † Order Tarphycerida † Order Oncocerida † Order Discosorida † Order Nautilida Order Orthocerida...
    8 KB (458 words) - 22:21, 29 November 2023
  • Thumbnail for Lituitida
    lacks a cicatrix. The Lituitida, which were originally included in the Tarphycerida as the Lituitidae (Furnish and Glenister) have their beginnings in the...
    5 KB (592 words) - 07:43, 15 August 2023
  • 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
  • through Bassleroceras, by evolving and ever tightened curvature to the Tarphycerida and by a thinning of the connecting rings to the Graciloceratidae which...
    3 KB (281 words) - 01:55, 29 April 2022
  • included in the Orthocerida rather than as originally perceived in the Tarphycerida. Rousseau H Flower, 1962. Notes on the Michelinoceratida. Memoir 10,...
    1 KB (139 words) - 19:34, 18 July 2023
  • Thumbnail for Aphetoceras
    Paleontology in the section on the Estonioceratidae, p K357-K359, included in the Chapter on the Tarphycerida by Furnish and Glenister starting with page K343....
    2 KB (172 words) - 18:53, 18 July 2023
  • inherited from their ellesmeroceratid ancestors, which were passed on to the Tarphycerida. Leonardoceras has a poorly preserved, narrow siphuncle, apparently with...
    2 KB (214 words) - 19:27, 18 July 2023
  • Aethoceras is a genus of Tarphycerida nautiloids included in the family Estonioceratidae for which the shell is a loosely coiled, gradually expanding dextral...
    1 KB (91 words) - 20:37, 17 December 2021
  • Thumbnail for Lituitidae
    included in the Tarphycerida as a number of derived families. Furnish and Glenister (1964) removed the Lituitidae to the Tarphycerida on the basis of...
    3 KB (409 words) - 18:59, 13 July 2023
  • Furnish and Glenister (1964) placed Beekmanoceras in the Trocholitidae (Tarphycerida), interpreting the curvature to be ventral side convex, i.e. exogastastric...
    2 KB (204 words) - 04:45, 5 March 2021
  • 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
  • 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
  • Thumbnail for Goniatite
    Ellesmerocerida Orthocones: Endocerida, Orthocerida, Actinocerida Brevicones: Ascocerida, Oncocerida Earliest coiled cephalopods: Tarphycerida Spirulid?: Shimanskya...
    6 KB (793 words) - 14:59, 23 February 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 Alaskoceras
    to the Tarphycerida, and to the family Estonioceratidae. It was found in Alaska. W.M Furnish & Brian F. Glenister, 1964. Nautiloidea-Tarphycerida. Treatise...
    1 KB (83 words) - 18:50, 18 July 2023
  • 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