• Thumbnail for Ancyloceratina
    The Ancyloceratina were a diverse suborder of ammonite most closely related to the ammonites of order Lytoceratina. They evolved during the Late Jurassic...
    7 KB (705 words) - 23:13, 29 October 2024
  • Thumbnail for Ammonitida
    Ammonitida is divided into four suborders, the Phylloceratina, Lytoceratina, Ancyloceratina, and Ammonitina. The Phylloceratina is the ancestral stock, derived...
    2 KB (204 words) - 19:33, 18 November 2024
  • Thumbnail for Ammonoidea
    and Ancyloceratina all appearing during the Jurassic. Heteromorph ammonites (ammonites with open or non-spiral coiling) of the order Ancyloceratina became...
    52 KB (5,802 words) - 23:24, 29 October 2024
  • Thumbnail for Jurassic
    Psiloceratina, Ammonitina, Lytoceratina, Haploceratina, Perisphinctina and Ancyloceratina all appearing during the Jurassic. Ammonite faunas during the Jurassic...
    235 KB (25,424 words) - 03:28, 18 November 2024
  • Thumbnail for Turrilites
    Upper Cretaceous (Cenomanian and Turonian); generally included in the Ancyloceratina. Previously (Arkell, 1957) it was included in the ammonoid suborder...
    3 KB (174 words) - 20:24, 18 November 2024
  • Thumbnail for Hamites (genus)
    Class: Cephalopoda Subclass: †Ammonoidea Order: †Ammonitida Suborder: †Ancyloceratina Superfamily: †Turrilitoidea Family: †Hamitidae Gill, 1871 Genus: †Hamites...
    8 KB (741 words) - 10:08, 11 December 2023
  • Thumbnail for Scaphitidae
    cephalopods belonging to the family of heteromorph ammonites (suborder Ancyloceratina). There is a possible fossil record of them being the last ammonites...
    2 KB (106 words) - 05:54, 5 January 2024
  • Thumbnail for Nostoceras
    Nostoceras and the Nostoceratidae, are commonly included in the suborder Ancyloceratina but may instead belong in the Turrilitina, a proposed order of heteromorphs...
    5 KB (380 words) - 08:17, 18 November 2024
  • Thumbnail for Baculitidae
    mostly during the Late Cretaceous, and often included in the suborder Ancyloceratina. Baculitid genera are characterized by a small to minute initial coil...
    3 KB (206 words) - 19:37, 18 November 2024
  • Anisoceratidae is an extinct family of heteromorph ammonites which belong to the Ancyloceratina superfamily Turrilitoidea. Members of the family range is from the lower...
    3 KB (246 words) - 19:34, 18 November 2024
  • accepted as being within the separate suborder from the Ammonitida, the Ancyloceratina established by Wiedmann in 1966. There are two main competing theories...
    4 KB (312 words) - 19:34, 18 November 2024
  • Thumbnail for Scaphites
    Class: Cephalopoda Subclass: †Ammonoidea Order: †Ammonitida Suborder: †Ancyloceratina Family: †Scaphitidae Subfamily: †Scaphitinae Genus: †Scaphites Parkinson...
    5 KB (377 words) - 08:52, 18 November 2024
  • Thumbnail for Baculites
    Class: Cephalopoda Subclass: †Ammonoidea Order: †Ammonitida Suborder: †Ancyloceratina Family: †Baculitidae Genus: †Baculites Lamarck, 1799 Type species †Baculites...
    17 KB (1,618 words) - 22:08, 7 April 2024
  • Thumbnail for Nipponites
    Class: Cephalopoda Subclass: †Ammonoidea Order: †Ammonitida Suborder: †Ancyloceratina Family: †Nostoceratidae Genus: †Nipponites Yabe, 1904 Species N. mirabilis...
    4 KB (308 words) - 15:40, 14 October 2024
  • Mascarelli (E.), Meister (C.) & Menkveld-Gfeller (U.), 2012 - Ammonites (Ancyloceratina, Turrilitina) nouvelles ou peu connues de l'Hauterivien supérieur. Annales...
    1 KB (62 words) - 00:05, 1 August 2022
  • Thumbnail for Engonoceratidae
    seems unlikely even without the Desheyesitidae being removed to the Ancyloceratina. Derivation from the Hoplitidae seems more likely, from something like...
    2 KB (222 words) - 07:08, 18 November 2024
  • Thumbnail for Mariella
    Phylum: Mollusca Class: Cephalopoda Subclass: †Ammonoidea Order: †Ammonitida Suborder: †Ancyloceratina Family: †Turrilitidae Genus: †Mariella Nowak, 1916...
    2 KB (156 words) - 16:03, 18 November 2024
  • Mascarelli (E.), Meister (C.) & Menkveld-Gfeller (U.), 2012 - Ammonites (Ancyloceratina, Turrilitina) nouvelles ou peu connues de l'Hauterivien supérieur. Annales...
    1 KB (72 words) - 21:21, 28 April 2021
  • Mascarelli (E.), Meister (C.) & Menkveld-Gfeller (U.), 2012 - Ammonites (Ancyloceratina, Turrilitina) nouvelles ou peu connues de l'Hauterivien supérieur. Annales...
    1 KB (75 words) - 20:10, 29 November 2021
  • Thumbnail for Ancyloceratidae
    Ancyloceratidae is the type family for the Ancyloceratoidea and of the suborder Ancyloceratina. They are found in Lower Cretaceous, Barremian to perhaps Lower Albian...
    3 KB (248 words) - 18:48, 5 July 2024
  • Scaphatoidea. Turrilitina was recognized as a distinct group or clade from the Ancyloceratina as defined by Weidmann, 1966, by Beznosov and Mikhailova in 1983. The...
    2 KB (183 words) - 22:11, 7 June 2021
  • Thumbnail for Diplomoceras
    Class: Cephalopoda Subclass: †Ammonoidea Order: †Ammonitida Suborder: †Ancyloceratina Family: †Diplomoceratidae Genus: †Diplomoceras Hyatt, 1900 Species †D...
    4 KB (336 words) - 07:02, 18 November 2024
  • Thumbnail for Lytoceratina
    rise to the main body of Jurassic Ammonitina and to the Cretaceous Ancyloceratina. Twelve families have been described of which the Lytoceratidae dominate...
    3 KB (229 words) - 20:03, 18 November 2024
  • Thumbnail for Pravitoceras
    Mollusca Class: Cephalopoda Subclass: †Ammonoidea Order: †Ammonitida Suborder: †Ancyloceratina Family: †Nostoceratidae Genus: †Pravitoceras Yabe, 1901...
    690 bytes (37 words) - 08:37, 18 November 2024
  • Mascarelli (E.), Meister (C.) & Menkveld-Gfeller (U.), 2012 - Ammonites (Ancyloceratina, Turrilitina) nouvelles ou peu connues de l'Hauterivien supérieur. Annales...
    2 KB (59 words) - 21:38, 31 July 2022
  • Thumbnail for Didymoceras
    Class: Cephalopoda Subclass: †Ammonoidea Order: †Ammonitida Suborder: †Ancyloceratina Family: †Nostoceratidae (?) Genus: †Didymoceras Hyatt, 1894 Species...
    4 KB (275 words) - 19:47, 18 November 2024
  • Thumbnail for Hoploscaphites
    Class: Cephalopoda Subclass: †Ammonoidea Order: †Ammonitida Suborder: †Ancyloceratina Family: †Scaphitidae Subfamily: †Scaphitinae Genus: †Hoploscaphites...
    6 KB (519 words) - 07:31, 18 November 2024
  • Thumbnail for Diplomoceratidae
    Class: Cephalopoda Subclass: †Ammonoidea Order: †Ammonitida Suborder: †Ancyloceratina Superfamily: †Turrilitoidea Family: †Diplomoceratidae Spath, 1926...
    2 KB (158 words) - 07:02, 18 November 2024
  • Thumbnail for Phylloceratina
    the Early Cretaceous, both of which are considered Ammonitina. The Ancyloceratina is a collection of highly evolved Lytoceratina. Treatise on Invertebrate...
    2 KB (197 words) - 16:29, 6 September 2023
  • indicative of closer phylogenetic relationships between Perisphinctina and Ancyloceratina than with Lytoceratina or Phylloceratina, is published by Nishino et...
    145 KB (7,508 words) - 16:12, 22 November 2024