Plectronocerida is a primitive order from which subsequent cephalopod orders are ultimately derived. Plectronoceratids are known from the Upper Cambrian...
4 KB (424 words) - 09:36, 14 February 2023
ability to float) would have come later, followed by swimming in the Plectronocerida and eventually jet propulsion in more derived cephalopods. Possible...
138 KB (15,375 words) - 21:28, 9 July 2024
that are phylogenetically related. They are: †Plectronoceratoidea = †Plectronocerida, †Protactinocerida, †Yanhecerida, and †Ellesmerocerida. †Endoceratoidea...
37 KB (3,465 words) - 14:06, 14 June 2024
Plectronoceratoidea contains several exclusively Cambrian cephalopod orders: Plectronocerida, Protactinocerida, and Yanhecerida. Under some classification schemes...
5 KB (473 words) - 19:11, 3 December 2023
Phylum: Mollusca Class: Cephalopoda Subclass: Nautiloidea Order: †Plectronocerida Family: †Plectronoceridae Genus: †Plectronoceras Ulrich & Foerste,...
3 KB (213 words) - 10:37, 20 March 2024
Earliest unambiguous cephalopods: Plectronocerida: Plectronoceras, Monoplacophora-like form: Knightoconus? First appearance of long-lasting lineages Goniatite...
52 KB (5,802 words) - 20:36, 21 June 2024
Earliest unambiguous cephalopods: Plectronocerida: Plectronoceras, Monoplacophora-like form: Knightoconus? First appearance of long-lasting lineages Goniatite...
5 KB (437 words) - 18:48, 12 January 2024
superorder Plectonoceratoidea, which she defined as containing the Plectronocerida, Ellesmerocerida and two orders introduced by Chen and Teichert in...
8 KB (890 words) - 16:20, 14 January 2024
float)[clarification needed] would have come later, followed by swimming in the Plectronocerida and eventually jet propulsion in more derived cephalopods. However...
37 KB (4,187 words) - 23:38, 1 July 2024
Earliest unambiguous cephalopods: Plectronocerida: Plectronoceras, Monoplacophora-like form: Knightoconus? First appearance of long-lasting lineages Goniatite...
13 KB (1,355 words) - 04:09, 15 July 2024
Earliest unambiguous cephalopods: Plectronocerida: Plectronoceras, Monoplacophora-like form: Knightoconus? First appearance of long-lasting lineages Goniatite...
3 KB (204 words) - 01:23, 29 December 2023
Earliest unambiguous cephalopods: Plectronocerida: Plectronoceras, Monoplacophora-like form: Knightoconus? First appearance of long-lasting lineages Goniatite...
581 bytes (24 words) - 11:53, 4 July 2024
Earliest unambiguous cephalopods: Plectronocerida: Plectronoceras, Monoplacophora-like form: Knightoconus? First appearance of long-lasting lineages Goniatite...
12 KB (1,252 words) - 09:58, 4 February 2024
cephalopod orders. They were very similar to members of the order Plectronocerida in most respects. Like plectronocerids, their shells were compressed...
4 KB (385 words) - 02:27, 3 December 2023
Earliest unambiguous cephalopods: Plectronocerida: Plectronoceras, Monoplacophora-like form: Knightoconus? First appearance of long-lasting lineages Goniatite...
3 KB (277 words) - 03:05, 4 July 2024
Earliest unambiguous cephalopods: Plectronocerida: Plectronoceras, Monoplacophora-like form: Knightoconus? First appearance of long-lasting lineages Goniatite...
2 KB (184 words) - 12:33, 9 January 2024
(mid-Stage 10) nautiloid cephalopods. They were similar to the more diverse Plectronocerida and Ellesmerocerida, with short shells, closely spaced septa, and diaphragms...
3 KB (264 words) - 02:24, 27 November 2023
Earliest unambiguous cephalopods: Plectronocerida: Plectronoceras, Monoplacophora-like form: Knightoconus? First appearance of long-lasting lineages Goniatite...
3 KB (278 words) - 10:36, 23 June 2024
Earliest unambiguous cephalopods: Plectronocerida: Plectronoceras, Monoplacophora-like form: Knightoconus? First appearance of long-lasting lineages Goniatite...
10 KB (1,019 words) - 11:12, 24 December 2023
Jun-yuan et al., 1979 Late Cambrian Cephalopods of North China -- Plectronocerida, Protactinocerida (Ord Nov) and Yanhecerida (Ord Nov) Chen, J. Y.;...
2 KB (164 words) - 23:18, 28 April 2021
Earliest unambiguous cephalopods: Plectronocerida: Plectronoceras, Monoplacophora-like form: Knightoconus? First appearance of long-lasting lineages Goniatite...
7 KB (713 words) - 15:28, 30 December 2023
Earliest unambiguous cephalopods: Plectronocerida: Plectronoceras, Monoplacophora-like form: Knightoconus? First appearance of long-lasting lineages Goniatite...
11 KB (914 words) - 20:37, 10 July 2023
Earliest unambiguous cephalopods: Plectronocerida: Plectronoceras, Monoplacophora-like form: Knightoconus? First appearance of long-lasting lineages Goniatite...
3 KB (319 words) - 01:15, 1 October 2023
Superfamily Pinnoidea Superfamily Plicatuloidea Superfamily Pterioidea Order Plectronocerida † Order Ellesmerocerida † Order Actinocerida † Order Pseudorthocerida...
8 KB (458 words) - 22:21, 29 November 2023
Earliest unambiguous cephalopods: Plectronocerida: Plectronoceras, Monoplacophora-like form: Knightoconus? First appearance of long-lasting lineages Goniatite...
5 KB (623 words) - 12:58, 6 January 2024
Earliest unambiguous cephalopods: Plectronocerida: Plectronoceras, Monoplacophora-like form: Knightoconus? First appearance of long-lasting lineages Goniatite...
7 KB (836 words) - 06:05, 14 September 2023
Earliest unambiguous cephalopods: Plectronocerida: Plectronoceras, Monoplacophora-like form: Knightoconus? First appearance of long-lasting lineages Goniatite...
6 KB (661 words) - 15:12, 13 October 2023
Earliest unambiguous cephalopods: Plectronocerida: Plectronoceras, Monoplacophora-like form: Knightoconus? First appearance of long-lasting lineages Goniatite...
7 KB (741 words) - 19:28, 1 March 2024
Earliest unambiguous cephalopods: Plectronocerida: Plectronoceras, Monoplacophora-like form: Knightoconus? First appearance of long-lasting lineages Goniatite...
10 KB (1,127 words) - 17:26, 3 December 2023
Earliest unambiguous cephalopods: Plectronocerida: Plectronoceras, Monoplacophora-like form: Knightoconus? First appearance of long-lasting lineages Goniatite...
7 KB (793 words) - 15:25, 21 June 2024