The Ascocerida are comparatively small, bizarre Orthoceratoids known only from Ordovician and Silurian sediments in Europe and North America, uniquely...
5 KB (623 words) - 00:07, 11 October 2024
†Ellesmerocerida. †Endoceratoidea = †Endocerida †Orthoceratoidea = †Orthocerida, †Ascocerida, and †Pseudorthocerida (the Orthoceratoidea of Kröger 2007) Nautilitoidea...
37 KB (3,465 words) - 12:40, 14 October 2024
410.5 Ma to present) Order † Orthocerida (482.5 to 211.5 Ma) Order † Ascocerida (478 to 412 Ma) Order † Bactritida (418.1 to 260.5 Ma) Subclass † Ammonoidea:...
139 KB (15,484 words) - 20:02, 29 October 2024
Ellesmerocerida Orthocones: Endocerida, Orthocerida, Actinocerida Brevicones: Ascocerida, Oncocerida Earliest coiled cephalopods: Tarphycerida Spirulid?: Shimanskya...
581 bytes (24 words) - 11:53, 4 July 2024
Ellesmerocerida Orthocones: Endocerida, Orthocerida, Actinocerida Brevicones: Ascocerida, Oncocerida Earliest coiled cephalopods: Tarphycerida Spirulid?: Shimanskya...
52 KB (5,802 words) - 23:24, 29 October 2024
Ellesmerocerida Orthocones: Endocerida, Orthocerida, Actinocerida Brevicones: Ascocerida, Oncocerida Earliest coiled cephalopods: Tarphycerida Spirulid?: Shimanskya...
5 KB (437 words) - 01:31, 30 October 2024
disadvantageous in catching fast-moving prey. Some nautiloids, such as the Silurian Ascocerida, dropped the phragmocone upon maturity, presumably to increase speed and...
2 KB (254 words) - 16:50, 14 August 2024
four nautiloid orders: Ellesmerocerida, Oncocerida, Discosorida, and Ascocerida. The order Tarphycerida was considered a potential member of the subclass...
6 KB (564 words) - 12:40, 14 October 2024
Ellesmerocerida Orthocones: Endocerida, Orthocerida, Actinocerida Brevicones: Ascocerida, Oncocerida Earliest coiled cephalopods: Tarphycerida Spirulid?: Shimanskya...
13 KB (1,355 words) - 12:35, 14 October 2024
Ascoceratidae is a family of Ascocerida, bizarre orthoceratoid cephalopods, with longiconic, deciduous early growth stages which undergo period truncation...
3 KB (268 words) - 19:16, 28 April 2021
Ellesmerocerida Orthocones: Endocerida, Orthocerida, Actinocerida Brevicones: Ascocerida, Oncocerida Earliest coiled cephalopods: Tarphycerida Spirulid?: Shimanskya...
7 KB (793 words) - 15:25, 21 June 2024
Ellesmerocerida Orthocones: Endocerida, Orthocerida, Actinocerida Brevicones: Ascocerida, Oncocerida Earliest coiled cephalopods: Tarphycerida Spirulid?: Shimanskya...
12 KB (1,252 words) - 09:58, 4 February 2024
Ellesmerocerida Orthocones: Endocerida, Orthocerida, Actinocerida Brevicones: Ascocerida, Oncocerida Earliest coiled cephalopods: Tarphycerida Spirulid?: Shimanskya...
37 KB (4,187 words) - 23:38, 1 July 2024
Ellesmerocerida Orthocones: Endocerida, Orthocerida, Actinocerida Brevicones: Ascocerida, Oncocerida Earliest coiled cephalopods: Tarphycerida Spirulid?: Shimanskya...
10 KB (1,127 words) - 17:26, 3 December 2023
considered to be more closely related to the Orthocerida than to the Ascocerida or Pseudorthocerida which are also included. Lituitids are characterized...
6 KB (592 words) - 12:40, 14 October 2024
Ellesmerocerida Orthocones: Endocerida, Orthocerida, Actinocerida Brevicones: Ascocerida, Oncocerida Earliest coiled cephalopods: Tarphycerida Spirulid?: Shimanskya...
3 KB (278 words) - 10:36, 23 June 2024
Ellesmerocerida Orthocones: Endocerida, Orthocerida, Actinocerida Brevicones: Ascocerida, Oncocerida Earliest coiled cephalopods: Tarphycerida Spirulid?: Shimanskya...
3 KB (213 words) - 10:37, 20 March 2024
Ellesmerocerida Orthocones: Endocerida, Orthocerida, Actinocerida Brevicones: Ascocerida, Oncocerida Earliest coiled cephalopods: Tarphycerida Spirulid?: Shimanskya...
2 KB (204 words) - 23:10, 29 October 2024
Ellesmerocerida Orthocones: Endocerida, Orthocerida, Actinocerida Brevicones: Ascocerida, Oncocerida Earliest coiled cephalopods: Tarphycerida Spirulid?: Shimanskya...
10 KB (1,019 words) - 11:12, 24 December 2023
Ellesmerocerida Orthocones: Endocerida, Orthocerida, Actinocerida Brevicones: Ascocerida, Oncocerida Earliest coiled cephalopods: Tarphycerida Spirulid?: Shimanskya...
2 KB (184 words) - 12:33, 9 January 2024
Ellesmerocerida Orthocones: Endocerida, Orthocerida, Actinocerida Brevicones: Ascocerida, Oncocerida Earliest coiled cephalopods: Tarphycerida Spirulid?: Shimanskya...
7 KB (741 words) - 19:28, 1 March 2024
Ellesmerocerida Orthocones: Endocerida, Orthocerida, Actinocerida Brevicones: Ascocerida, Oncocerida Earliest coiled cephalopods: Tarphycerida Spirulid?: Shimanskya...
7 KB (713 words) - 15:28, 30 December 2023
Ellesmerocerida Orthocones: Endocerida, Orthocerida, Actinocerida Brevicones: Ascocerida, Oncocerida Earliest coiled cephalopods: Tarphycerida Spirulid?: Shimanskya...
3 KB (232 words) - 03:24, 21 September 2024
cephalopods known as the Orthoceratoidea (Kroger 2008) along with the Ascocerida, Dissidocerida, Lituitida, and Orthocerida. The Pseudorthocerida were...
4 KB (378 words) - 00:40, 21 May 2024
Ecdyceras is a genus in the Ascocerida doubtfully assigned to the Hebetoceratidae. It somewhat resembles Hebetoceras. Furnish, W.M.; Glenister, B.F. (1964)...
1 KB (69 words) - 11:35, 9 January 2021
Ellesmerocerida Orthocones: Endocerida, Orthocerida, Actinocerida Brevicones: Ascocerida, Oncocerida Earliest coiled cephalopods: Tarphycerida Spirulid?: Shimanskya...
5 KB (642 words) - 22:27, 5 November 2023
Ellesmerocerida Orthocones: Endocerida, Orthocerida, Actinocerida Brevicones: Ascocerida, Oncocerida Earliest coiled cephalopods: Tarphycerida Spirulid?: Shimanskya...
2 KB (211 words) - 04:45, 24 December 2023
(1932) who, along with Flower (1941) regarded it as belonging to the Ascocerida. It became impossible to trace Choanoceras to the ascocerid lineage however...
2 KB (177 words) - 02:22, 11 February 2024
Ellesmerocerida Orthocones: Endocerida, Orthocerida, Actinocerida Brevicones: Ascocerida, Oncocerida Earliest coiled cephalopods: Tarphycerida Spirulid?: Shimanskya...
3 KB (319 words) - 01:15, 1 October 2023
Ellesmerocerida Orthocones: Endocerida, Orthocerida, Actinocerida Brevicones: Ascocerida, Oncocerida Earliest coiled cephalopods: Tarphycerida Spirulid?: Shimanskya...
7 KB (836 words) - 17:43, 22 July 2024