• Thumbnail for Lytoceratina
    Lytoceratina is a suborder of Jurassic and Cretaceous ammonites that produced loosely coiled, evolute and gyroconic shells in which the sutural element...
    3 KB (229 words) - 19:05, 18 July 2023
  • Thumbnail for Ammonitida
    sutures. Ammonitida is divided into four suborders, the Phylloceratina, Lytoceratina, Ancyloceratina, and Ammonitina. The Phylloceratina is the ancestral...
    3 KB (204 words) - 01:23, 29 December 2023
  • Thumbnail for Jurassic
    during the Early Jurassic, with the orders Psiloceratina, Ammonitina, Lytoceratina, Haploceratina, Perisphinctina and Ancyloceratina all appearing during...
    228 KB (24,670 words) - 18:46, 18 April 2024
  • Thumbnail for Ammonoidea
    the Paleozoic; the Ceratitina from the Triassic; and the Ammonitina, Lytoceratina and Phylloceratina from the Jurassic and Cretaceous. In subsequent taxonomies...
    49 KB (5,527 words) - 23:25, 24 March 2024
  • Thumbnail for Phylloceratina
    Phylloceratina gave rise early in the Jurassic through the Phylloceratidae to the Lytoceratina, which in turn gave rise to most of the Ammonitina The Phylloceratidae...
    2 KB (197 words) - 16:29, 6 September 2023
  • Thumbnail for Ancyloceratina
    suborder of ammonite most closely related to the ammonites of order Lytoceratina. They evolved during the Late Jurassic but were not very common until...
    7 KB (705 words) - 13:35, 23 August 2022
  • Thumbnail for Cephalopod
    al., 1957) Suborder † Ceratitina Suborder † Phylloceratina Suborder † Lytoceratina Suborder † Ammonitina Subsequent revisions include the establishment...
    133 KB (14,920 words) - 18:15, 21 April 2024
  • Thumbnail for Triassic–Jurassic extinction event
    significantly in the Norian. Other ammonite groups such as the Ammonitina, Lytoceratina, and Phylloceratina diversified from the Early Jurassic onward. Bivalves...
    141 KB (15,135 words) - 02:09, 23 April 2024
  • Thumbnail for Lytoceratidae
    a taxonomic family of ammonoid cephalopods belonging to the suborder Lytoceratina, characterized by very evolute shells that generally enlarge rapidly...
    4 KB (313 words) - 13:29, 12 November 2022
  • Thumbnail for Turrilites
    Previously (Arkell, 1957) it was included in the ammonoid suborder, Lytoceratina. The shell of Turrilites is tightly wound in a high trochospiral, with...
    3 KB (174 words) - 19:11, 18 July 2023
  • Thumbnail for Nipponites
    occurrence, systematics, and functional morphology of Nipponites (Cretaceous Lytoceratina) from the Americas." Journal of Paleontology (1977): 367-372. "化石の日"...
    4 KB (308 words) - 22:26, 15 March 2024
  • phylogenetic relationships between Perisphinctina and Ancyloceratina than with Lytoceratina or Phylloceratina, is published by Nishino et al. (2024). Fossil material...
    48 KB (2,039 words) - 07:33, 22 April 2024
  • Thumbnail for Phylloceratidae
    gave rise at or near the beginning of the Jurassic to the ancestral Lytoceratina, the early Lower Jurassic Peluroacanthitidae and Ectocentridae. The Phyloceratidae...
    3 KB (282 words) - 13:30, 12 November 2022
  • coil. Lytocrioceras was originally included in the Ancyloceratidae (Lytoceratina), united with other similar forms but has since been reassigned to the...
    2 KB (133 words) - 21:32, 14 April 2021
  • Thumbnail for Macroscaphites
    Class: Cephalopoda Subclass: Ammonoidea Order: Ammonitida Suborder: Lytoceratina Family: Lytoceratidae Genus: Macroscaphites Meek, 1876 Species M. (Costidiscus)...
    5 KB (354 words) - 02:37, 28 February 2022
  • Invertebrate Paleontology, Part L, placed the Ancylocerataceae in the suborder Lytoceratina along with the Lytocerataceae, Turrilitaceae, and Scaphitaceae, with...
    4 KB (312 words) - 12:49, 11 June 2023
  • Thumbnail for Ancyloceratidae
    open planispiral shells, probably originating from within the suborder Lytoceratina. M.R.A. Thomson, « Ammonite faunas of the Lower Cretaceous of south-eastern...
    3 KB (248 words) - 13:13, 12 November 2022
  • Thumbnail for Nannolytoceratidae
    Nannolytoceratidae (category Lytoceratina)
    a taxonomic family of ammonoid cephalopods belonging to the suborder Lytoceratina. Paleobiology Database - Nannolytoceratidae. 2017-10-19. Ammonites Biolib...
    1 KB (26 words) - 23:48, 29 November 2021
  • Thumbnail for Tetragonitidae
    Tetragonitidae (category Lytoceratina)
    Class: Cephalopoda Subclass: †Ammonoidea Order: †Ammonitida Suborder: †Lytoceratina Family: †Tetragonitidae Subfamilies Gabbioceratinae Tetragonitinae...
    2 KB (145 words) - 19:36, 18 July 2023
  • Thumbnail for Gaudryceratidae
    Gaudryceratidae (category Lytoceratina)
    Gaudryceratidae is a family belonging to the extinct ammonoid suborder Lytoceratina that lived from the Barremian of the Lower Cretaceous to the Maastrichtian...
    2 KB (85 words) - 13:39, 12 November 2022
  • Thumbnail for Eubaculites
    ammonites from the Carnarvon Basin of Western Australia I: the heteromorph Lytoceratina. Bureau of Mineral Resources, Geology and Geophysics Bulletin 58:1-58...
    5 KB (396 words) - 00:16, 11 February 2024
  • Thumbnail for Macroscaphitidae
    Radulovic, B. V. Radulovic and I. Mojsic. 2014. Ammonites (Phylloceratina, Lytoceratina and Ancyloceratina) and organic-walled dinoflagellate cysts from the...
    15 KB (1,791 words) - 10:19, 22 July 2023
  • genus of ammonite from the middle Jurassic, belonging to the suborder Lytoceratina. The shell of Megalytoceras is evolute and grew to be fairly large, to...
    2 KB (191 words) - 12:57, 18 April 2022
  • Pleuroacanthitidae (category Lytoceratina)
    family of Lower Jurassic ammonoids that combines some characters of the Lytoceratina, Phylloceratina, and earliest Ammonitida, as well as special characters...
    982 bytes (74 words) - 23:49, 29 November 2021
  • simplified sutures. Metrolytoceras belongs to the ammonoid suborder Lytoceratina, which is typified by having intricate, moss-like sutures, and to the...
    2 KB (128 words) - 18:32, 23 August 2023
  • Thumbnail for Moltrasio Formation
    Osteno outcrop An ammonitidan, member of the family Lytoceratidae inside Lytoceratina. It was not the most abundant ammonite, but was rather common. Ostenoteuthis...
    36 KB (1,722 words) - 21:00, 15 April 2024
  • Anagaudryceras (category Lytoceratina)
    Anagaudryceras is an extinct genus of ammonite from the later Cretaceous belonging to the Ammonoidea family Gaudryceratidae. Anagaudryceras has a moderately...
    2 KB (111 words) - 01:48, 30 April 2022
  • Thumbnail for Nannolytoceras
    Nannolytoceras (category Lytoceratina)
    Mollusca Class: Cephalopoda Subclass: Ammonoidea Order: Lytoceratida Suborder: Lytoceratina Family: Nannolytoceratidae Genus: Nannolytoceras Buckman, 1905...
    3 KB (207 words) - 18:57, 13 April 2021
  • Thumbnail for Eotetragonites
    Eotetragonites (category Lytoceratina)
    Eotetragonites is an extinct genus of ammonite. Eotetragonites is considered by some authors a subgenus of Eogaudryceras. Species within this genus include:...
    2 KB (124 words) - 01:51, 30 April 2022
  • isztimeri Sp nov Valid Galácz & Kassai Bajocian  Hungary A member of Lytoceratina, a species of Alocolytoceras. Amorina intermedia Sp. nov Valid Vermeulen...
    125 KB (4,044 words) - 02:58, 4 January 2024