Cambrian Stage 3 is the still unnamed third stage of the Cambrian. It succeeds Cambrian Stage 2 and precedes Cambrian Stage 4, although neither its base...
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Cambrian Stage 4 is the still unnamed fourth stage of the Cambrian and the upper stage of Cambrian Series 2. It follows Cambrian Stage 3 and lies below...
8 KB (532 words) - 12:35, 14 June 2024
Stage 10 of the Cambrian is the still unnamed third and final stage of the Furongian series. It follows the Jiangshanian and precedes the Ordovician Tremadocian...
12 KB (899 words) - 12:35, 14 June 2024
Stage 2 of the Cambrian is the unnamed upper stage of the Terreneuvian Series. It lies atop the Fortunian and below Stage 3 of the Cambrian. It is commonly...
9 KB (656 words) - 10:19, 13 June 2024
The Cambrian ( /ˈkæmbri.ən, ˈkeɪm-/ KAM-bree-ən, KAYM-) is the first geological period of the Paleozoic Era, and the Phanerozoic Eon. The Cambrian lasted...
84 KB (9,044 words) - 21:28, 11 August 2024
stages: Cambrian Stage 3 and Cambrian Stage 4. Both of these stages also lack formal definition. The Siberian nomenclature distinguishes three stages...
9 KB (782 words) - 10:21, 13 June 2024
Radiodonta (category Cambrian Series 2 first appearances)
order of stem-group arthropods that was successful worldwide during the Cambrian period. They may be referred to as radiodonts, radiodontans, radiodontids...
93 KB (7,491 words) - 06:12, 14 August 2024
panarthropod animal known from the Cambrian of China. It is known from only a single species, P. atavus, found in the Cambrian Stage 3 aged Chengjiang Biota of...
3 KB (255 words) - 11:13, 4 January 2024
The Cambrian explosion (also known as Cambrian radiation or Cambrian diversification) is an interval of time approximately 538.8 million years ago in the...
134 KB (15,430 words) - 19:06, 17 August 2024
Scleroctenophora (category Cambrian animal stubs)
Chinese Maotianshan shales of Yunnan. It is dated to Cambrian Stage 3 and belongs to late Early Cambrian strata. Scleroctenophorans are easily distinguished...
2 KB (118 words) - 17:41, 30 November 2023
Isoxys (category Cambrian arthropods)
China, Cambrian Stage 4, Burgess Shale, Canada, Miaolingian Isoxys auritus (Jiang, 1982) Chengjiang Biota, Yunnan, China, Cambrian Stage 3, Balang Formation...
14 KB (1,524 words) - 23:39, 4 September 2023
Thulaspis is an extinct genus of artiopodan arthropod from the Cambrian Stage 3 aged Sirius Passet site in Greenland. It is thought to be a close relative...
2 KB (286 words) - 16:16, 13 March 2024
Anomalocaris (category Cambrian arthropods)
Specimens of Anomalocaris have been found worldwide spanning from Cambrian Stage 3 to the Guzhangian. Aside from the Burgess Shale and Emu Bay Shale,...
44 KB (4,841 words) - 02:08, 12 August 2024
Maotianoascus (category Cambrian animal stubs)
Chinese Maotianshan shales of Yunnan. It is dated to Cambrian Stage 3 and belongs to late Early Cambrian strata. The species is remarkable for its set of...
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artiopodan known from the Cambrian of China, the type species Xandarella spectaculum was described in 1991 from the Cambrian Stage 3 aged Chengjiang Biota...
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Maotianshan Shales (category Cambrian System of Asia)
termed Qiongzhusian, a stage correlated to the late Atdabanian Stage in Siberian sequences of the middle of the Early Cambrian. The shales date to ≤518 million...
31 KB (3,059 words) - 16:28, 12 June 2024
Kerygmachela (category Cambrian arthropods)
Kerygmachela kierkegaardi is a kerygmachelid gilled lobopodian from the Cambrian Stage 3 aged Sirius Passet Lagerstätte in northern Greenland. Its anatomy strongly...
8 KB (691 words) - 21:38, 7 August 2024
S.; Zhang, X.; Fu, D. (2024). "A new radiodont from the lower Cambrian (Series 2 Stage 3) Chengjiang Lagerstätte, South China informs the evolution of...
82 KB (5,446 words) - 08:52, 18 August 2024
appeared during the Cambrian Period. The oldest putative calcarean genus is Gravestockia, from the "Atdabanian" (Cambrian Stage 3) of Australia. Calcareans...
10 KB (918 words) - 22:15, 9 April 2024
Daniel J.; Chen, Junyuan (2018). "Geochronological constraint on the Cambrian Chengjiang biota, South China" (PDF). Journal of the Geological Society...
6 KB (576 words) - 16:58, 15 August 2024
Timorebestia (category Cambrian invertebrates)
chaetognath (arrow worm relative) that lived about 520 million years ago, in the Cambrian. Its fossils are known from the Sirius Passet Lagerstätte in Greenland...
5 KB (484 words) - 14:05, 23 March 2024
the Cambrian Stage 3 Mickwitzia Sandstone (Sweden), providing evidence of diversification of molluscan radulae which happened by the early Cambrian. Evidence...
234 KB (21,326 words) - 20:44, 17 August 2024
Omnidens (category Cambrian animals)
Chengjiang Biota of China, which dates to approximately 520 Ma, during Cambrian Stage 3. Omnidens-like mouthparts have also been found in the slightly younger...
8 KB (694 words) - 12:53, 26 March 2024
Yuheng; Fu, Dongjing (January 2022). "A new bivalved arthropod from the Cambrian (Stage 3) Qingjiang biota expands the palaeogeographical distribution and increases...
8 KB (835 words) - 22:35, 30 December 2023
Sidneyia (category Cambrian genus extinctions)
Mantou Formation of North China, Sidneyia minor from the Early Cambrian (Cambrian Stage 3) Xiaoshiba Biota of Yunnan, China, and a valid species of Sidneyia...
11 KB (1,097 words) - 14:52, 29 November 2023
possible sister group of Hexapoda". Molecular Biology and Evolution. 29 (3): 1031–1045. doi:10.1093/molbev/msr270. PMID 22049065. Omar Rota-Stabelli;...
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existed as far back in time as Early Cambrian, much earlier than other fossils known from the Middle and Late Cambrian. Its closest living relatives are...
3 KB (336 words) - 21:34, 7 September 2023
Wiwaxia (category Cambrian invertebrates)
sometimes complete, articulated fossils—are known from early Cambrian and middle Cambrian fossil deposits across the globe. The living animal would have...
35 KB (3,945 words) - 02:44, 12 June 2024
Helicoplacus (category Cambrian echinoderms)
fragments). The Poleta Formation is correlated with the as-yet unratified Cambrian Stage 3 (Series 2), giving it a provisional date of ~516 million years ago...
5 KB (510 words) - 04:16, 6 January 2024
Miaolingian (redirect from Cambrian Series 3)
the Cambrian Period, and was formally named in 2018. It lasted from about 509 to 497 million years ago and is divided in ascending order into 3 stages: the...
13 KB (952 words) - 05:36, 11 August 2024