• Thumbnail for Stephanoceratoidea
    Stephanoceratoidea, formerly Stephanocerataceae, is a superfamily of middle- upper Jurassic ammonoid cephalopods within the order Ammonitida containing...
    4 KB (400 words) - 21:36, 29 August 2021
  • Thumbnail for Ammonitida
    families combined into superfamilies. Some like the Hildoceratoidea and Stephanoceratoidea are restricted to the Jurassic. Others like the Hoplitoidea and Acanthoceratoidea...
    3 KB (204 words) - 01:23, 29 December 2023
  • Thumbnail for Ammonitina
    Jurassic. Superfamilies from the Middle and Upper Jurassic include the Stephanoceratoidea, Perisphinctoidea, and Haploceratoidea; the Perisphinctoidea and Haploceratoidea...
    4 KB (365 words) - 20:12, 9 August 2024
  • Thumbnail for Cadomites
    Cadomites is an extinct ammonite genus from the superfamily Stephanoceratoidea that lived during the Middle Jurassic (upper Bajocian – lower Callovian)...
    3 KB (133 words) - 16:44, 10 July 2024
  • Mollusca Class: Cephalopoda Subclass: Ammonoidea Order: Ammonitida Suborder: Ammonitina Superfamily: Stephanoceratoidea Family: Otoitidae Genus: Arkelloceras...
    1 KB (99 words) - 19:21, 25 June 2022
  • family Stephanoceratidae, which is part of the ammonitid superfamily Stephanoceratoidea, that lived during the early Middle Jurassic. Phaulostephanus is a...
    3 KB (193 words) - 23:12, 17 December 2021
  • Thumbnail for Macrocephalitidae
    Macrocephalitidae (category Stephanoceratoidea)
    family of marine invertebrate animals belonging to the superfamily Stephanoceratoidea, order Ammonitida. The Macrocephalitidae is one of the 11 families...
    2 KB (124 words) - 22:54, 4 March 2022
  • Phylum: Mollusca Class: Cephalopoda Subclass: Ammonoidea Order: Ammonitida Superfamily: Stephanoceratoidea Family: Stephanoceratidae Genus: Duashnoceras...
    3 KB (319 words) - 18:00, 13 August 2024
  • Otoitidae, a family which makes up part of the ammonitid superfamily, Stephanoceratoidea. Frogdenites has an evolute globular shell with a deep umbilicus and...
    2 KB (124 words) - 02:33, 30 April 2022
  • (1957) in the Treatise wherein the Pachyceridae is included in the Stephanoceratoidea, derived from the Tulitidae and giving rise to the Mayaitidae. Genera...
    3 KB (280 words) - 01:02, 29 April 2021
  • Labyrinthoceras (category Stephanoceratoidea)
    the ammonoid family Sphaeroceratidae, a member of the superfamily Stephanoceratoidea, that lived during middle of the Jurassic Period. Labtrinthoceras...
    2 KB (122 words) - 01:23, 11 November 2022
  • Thumbnail for Kepplerites
    Kepplerites (category Stephanoceratoidea)
    from the lower Callovian (upper Middle Jurassic) included in the Stephanoceratoidea. Inner whorls are finely ribbed and have a flattened or grooved venter...
    3 KB (206 words) - 07:53, 24 May 2024
  • family Stephanoceratidae, true ammonites, which is contained in the Stephanoceratoidea. It is probably synonymous with the better known Garantiana Hlawiceras...
    2 KB (139 words) - 14:26, 24 November 2020
  • Docidoceras (category Stephanoceratoidea)
    family Otoitidae which makes up part of the ammonite superfamily Stephanoceratoidea. Docidoceras has a broad, finely ribbed, evolute shell with a depressed...
    3 KB (196 words) - 00:34, 29 April 2022
  • Thumbnail for Quenstedtoceras
    Quenstedtoceras (category Stephanoceratoidea)
    Quenstedtoceras, included in the superfamily Stephanocerataceae, now revised to Stephanoceratoidea, is first of the subfamily Cardioceratinae, derived from Cadoceras...
    2 KB (171 words) - 02:59, 29 December 2022
  • Thumbnail for Kosmoceras
    Kosmoceras (category Stephanoceratoidea)
    smooth depression running along the rim. Kosmoceras belongs to the Stephanoceratoidea and is the type genus for the Family Kosmoceratidae and for the subfamily...
    3 KB (225 words) - 16:32, 6 January 2024
  • Thumbnail for Garantiana
    Phylum: Mollusca Class: Cephalopoda Subclass: Ammonoidea Order: Ammonitida Superfamily: Stephanoceratoidea Family: Stephanoceratidae Genus: Garantiana...
    2 KB (132 words) - 11:41, 31 December 2021
  • Phylum: Mollusca Class: Cephalopoda Subclass: Ammonoidea Order: Ammonitida Superfamily: Stephanoceratoidea Family: Cardioceratidae Genus: Cranocephalites...
    2 KB (114 words) - 06:25, 17 September 2019
  • Thumbnail for Hildoceratoidea
    a subfamily in the Eoderoceratoidean family, Polyorphitidae. The Stephanoceratoidea, Perisphinctoidea, and Haploceratoidea have their source in the Hammatoceratidae...
    3 KB (172 words) - 22:54, 28 April 2021
  • Thumbnail for Cardioceratidae
    Cardioceratidae (category Stephanoceratoidea)
    Cardioceratidae is an extinct ammonite family belonging to the superfamily Stephanoceratoidea. These fast-moving nektonic carnivores lived during the Middle-Late...
    2 KB (41 words) - 05:35, 15 November 2023
  • Phylum: Mollusca Class: Cephalopoda Subclass: Ammonoidea Order: Ammonitida Superfamily: Stephanoceratoidea Family: Spiroceratidae Genus: Parastrenoceras...
    2 KB (181 words) - 23:08, 17 December 2021
  • Abbasites was included in the Otoitidae, the ancestral family of the Stephanoceratoidea, according to Westermann (1965) and Imlay (1984) but was previously...
    5 KB (442 words) - 16:42, 9 October 2024
  • Thumbnail for Skirroceras bayleanum
    Skirroceras bayleanum (category Stephanoceratoidea)
    Skirroceras bayleanum is a Stephanoceratacean (ammonite) species belonging to the family Stephanoceratidae. These fast-moving nektonic carnivores lived...
    2 KB (86 words) - 21:25, 5 July 2024
  • Class: Cephalopoda Subclass: Ammonoidea Order: Ammonitida Superfamily: Stephanoceratoidea Family: Macrocephalitidae Genus: Indocephalites Spath, 1926...
    2 KB (108 words) - 20:02, 27 January 2023
  • genus Phlycticeras. Although there seems to be some affinity with Stephanoceratoidea it is most likely descended from some bathonian member of the Oppeliinae...
    1,001 bytes (80 words) - 19:08, 18 July 2023
  • Thumbnail for Oppeliidae
    Binneyitinae was added by Donovan et al, 1981, transferred from the Stephanoceratoidea. D.T Donavan, J.H. Callomon, and M.K Howarth. 1981. Classification...
    2 KB (164 words) - 19:29, 18 July 2023
  • Thumbnail for Skirroceras
    Skirroceras (category Stephanoceratoidea)
    Skirroceras is a Stephanoceratacean (ammonite) genus belonging to the family Stephanoceratidae. These fast-swimming carnivores lived during the Jurassic...
    2 KB (64 words) - 20:23, 4 September 2024
  • Thumbnail for Skirroceras macrum
    Skirroceras macrum (category Stephanoceratoidea)
    Skirroceras macrum is a Stephanoceratacean (ammonite) species belonging to the family Stephanoceratidae. These fast-moving nektonic carnivores lived during...
    2 KB (112 words) - 20:35, 4 September 2024
  • Otoites (category Stephanoceratoidea)
    Middle Jurassic. The Otoitidae, which is part of the superfamily Stephanoceratoidea, are part of the well known subclass of prehistoric cephalopods known...
    2 KB (165 words) - 01:28, 20 September 2023
  • Thumbnail for Cardioceras
    Cardioceras (category Stephanoceratoidea)
    Cardioceras is an extinct ammonite genus belonging to the family Cardioceratidae. These fast-moving nektonic carnivores lived during the Jurassic period...
    2 KB (133 words) - 05:17, 28 June 2022