Stephanoceratidae is a family of planulate and coronate ammonites within the Stephanoceratoidea. Shells are evolute so that all whorls are exposed and...
2 KB (103 words) - 09:02, 19 August 2021
stage at the beginning of the Middle Jurassic, included in the family Stephanoceratidae. Garantiana is strongly ribbed and generally evolute. The inner whorls...
2 KB (132 words) - 11:41, 31 December 2021
Treatise on Invertebrate Paleontology, 1957 Part L. They are the: Stephanoceratidae Kosmoceratidae Otoitidae Sphaeroceratidae Cardioceratidae The Pachyceratidae...
4 KB (400 words) - 21:36, 29 August 2021
is a Stephanoceratacean (ammonite) species belonging to the family Stephanoceratidae. These fast-moving nektonic carnivores lived during the Jurassic period...
2 KB (86 words) - 21:25, 5 July 2024
the Bajocian (Middle Jurassic). It is the type genus of the family Stephanoceratidae. Ammonites humphriesianum J. de C. Sowerby, 1825, subsequent designation...
5 KB (496 words) - 18:52, 8 January 2024
They gave rise, probably through varieties of Docidoceras to the Stephanoceratidae and Sphaeroceratidae, which in turn gave rise to the different phylogenetic...
2 KB (204 words) - 19:47, 18 July 2023
Jurassic genus of ammonite included in the stephanoceratoid family Stephanoceratidae. Normanites was previously included in the Otoitidae by Arkell et...
3 KB (245 words) - 20:42, 4 September 2024
Duashnoceras is an extinct ammonoid cephalopod genus included in the Stephanoceratidae that lived during the Bathonian stage of the Middle Jurassic. Duashnoceras...
3 KB (319 words) - 18:00, 13 August 2024
is a Stephanoceratacean (ammonite) species belonging to the family Stephanoceratidae. These fast-moving nektonic carnivores lived during the Jurassic period...
2 KB (112 words) - 20:35, 4 September 2024
is a Stephanoceratacean (ammonite) genus belonging to the family Stephanoceratidae. These fast-swimming carnivores lived during the Jurassic period,...
2 KB (64 words) - 20:23, 4 September 2024
classification Kingdom: Animalia Phylum: Mollusca Class: Cephalopoda Subclass: Ammonoidea Order: Ammonitida Family: Stephanoceratidae Genus: Pseudogarantiana...
2 KB (44 words) - 23:23, 17 December 2021
Phaulostephanus is an extinct genus from the ammonoid family Stephanoceratidae, which is part of the ammonitid superfamily Stephanoceratoidea, that lived...
3 KB (193 words) - 23:12, 17 December 2021
The ammonites of Perisphinctidae were derived from the ancestral Stephanoceratidae in the Middle Jurassic Bajocian: perisphinctid ammonites ranged from...
3 KB (279 words) - 01:23, 16 December 2023
Middle Jurassic ammonites of the families Erycitidae, Otoitidae and Stephanoceratidae from southern Germany" (PDF). Zitteliana. 50: 71–88. Archived from...
3 KB (196 words) - 00:34, 29 April 2022
Class: Cephalopoda Subclass: Ammonoidea Order: Ammonitida Superfamily: Stephanoceratoidea Family: Stephanoceratidae Genus: Cadomites Munier-Chalmas 1892...
3 KB (133 words) - 16:44, 10 July 2024
regular zig-zag pattern. Subcollina is probably derived from the Stephanoceratidae. Some stephanoceratids also have the zig-zag pattern of Subcollina...
2 KB (178 words) - 09:44, 14 April 2021
bremeri East Skoura syncline Isolated shells An ammonite of the family Stephanoceratidae and indicator of the Bathonian age Choffatia C. cf. urinacensis East...
29 KB (1,207 words) - 11:07, 22 July 2024
approximately 200 to 145 million years ago. Hlawiceras belongs to the family Stephanoceratidae, true ammonites, which is contained in the Stephanoceratoidea. It...
2 KB (139 words) - 14:26, 24 November 2020
Kingdom: Animalia Phylum: Mollusca Class: Cephalopoda Subclass: †Ammonoidea Order: †Ammonitida Family: †Stephanoceratidae Genus: †Kosmermoceras Arkell, 1952...
1 KB (71 words) - 01:12, 11 November 2022
Thamboceratidae, based on sutural morphology, removing it from the Stephanoceratidae where it was previously included. Sepkoski, Jack (2002). "Sepkoski's...
2 KB (193 words) - 18:53, 13 April 2021
Middle Jurassic ammonites of the families Erycitidae, Otoitidae and Stephanoceratidae from southern Germany" (PDF). Zitteliana. 50: 71–88. Archived from...
2 KB (128 words) - 00:35, 29 April 2022
Middle Jurassic ammonites of the families Erycitidae, Otoitidae and Stephanoceratidae from southern Germany" (PDF). Zitteliana. 50: 71–88. Archived from...
5 KB (442 words) - 13:19, 23 November 2020
Animalia Phylum: Mollusca Class: Cephalopoda Subclass: †Ammonoidea Order: †Ammonitida Family: †Stephanoceratidae Genus: †Kumatostephanus Buckman, 1922...
1 KB (89 words) - 01:15, 11 November 2022
Middle Jurassic ammonites of the families Erycitidae, Otoitidae and Stephanoceratidae from southern Germany" (PDF). Zitteliana. 50: 71–88. Archived from...
2 KB (165 words) - 01:28, 20 September 2023
Dunai & Evanics Middle Jurassic (early Bajocian) Hungary A member of Stephanoceratidae, a species of Mollistephanus. Mzerrebites amarensis Sp. nov Valid...
187 KB (5,641 words) - 13:16, 28 July 2024
Bajocian France A species of Infraparkinsonia, a possible member of Stephanoceratidae. Kashmirites baidi Sp nov Valid Brühwiler & Bucher in Brühwiler et...
124 KB (3,992 words) - 13:08, 28 July 2024
Perisphinctidae: Middle and Upper Jurassic root stock, derived from the Stephanoceratidae (Middle Jurassic direct derivatives of the Perisphinctidae) Morphiceratidae...
3 KB (237 words) - 20:42, 7 January 2024
Hedenstroemiidae as the Lanceolitinae. The Ophiceratidae and the Stephanoceratidae were removed from the Otocerataceae and the Ceratitaceae respectively...
3 KB (275 words) - 02:47, 24 March 2022
Fernandez-Lopez Middle Jurassic (early Bajocian) France A member of Stephanoceratidae. The type species is Pseudoteloceras crosillense; genus also includes...
173 KB (5,658 words) - 03:04, 29 July 2024
(Bajocian) Dhruma Formation Saudi Arabia A member of the family Stephanoceratidae. The type species is E. glabrum; genus also includes new species E...
199 KB (8,272 words) - 07:50, 6 July 2024