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biota

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Journal Article
Journal: Geology
Published: 31 December 2024
Geology (2025) 53 (4): 291–295.
... biotas in shallow-water facies, it provides new data on the biological assemblage of deep-water ecosystems after the first mass extinction. This sponge-dominated fauna not only enhances insight into the spatial and temporal distribution of sponges during the Ordovician–Silurian transition in South China...
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Journal Article
Journal: Geosphere
Published: 19 September 2024
Geosphere (2024) 20 (6): 1441–1455.
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Journal Article
Journal: Geology
Published: 12 July 2024
Geology (2024) 52 (10): 753–758.
...Xiangtong Lei; Peiyun Cong; Shangnan Zhang; Fan Wei; Ross P. Anderson Abstract The exceptionally preserved soft-bodied fossils from the Chengjiang Biota of southwest China have proved to be critical for our understanding of the biodiversity and ecology of the Cambrian explosion of animals. Almost...
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Journal Article
Journal: GSA Bulletin
Published: 07 May 2024
GSA Bulletin (2024) 136 (11-12): 4936–4946.
...Zu-Yang Zou; Qiang Ma; Yi-Gang Xu; Liang Liu; Xiao-Ping Xia; Chuan-Mao Yang Abstract The Yanliao Biota from northern China is one of the most famous Mesozoic terrestrial lagerstätten in the world, with well-preserved fossil records in the Jurassic volcanic-sedimentary Ningcheng and Jianchang basins...
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Series: Geological Society, London, Special Publications
Published: 06 February 2024
DOI: 10.1144/SP538-2023-89
EISBN: 9781862397095
... in Xinjiang, NW China, with the renowned Shishugou Biota, and the basins in Liaoning, Hebei and Inner Mongolia with their famous Jehol and Yanliao biotas. Accurate geochronology is necessary to disentangle these various factors, and we review the Late Triassic to Early Cretaceous U–Pb ages for these areas...
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Journal Article
Published: 15 January 2024
Journal of the Geological Society (2024) 181 (1): jgs2023-081.
... (565.22 ± 0.89 Ma) and the Stretton Shale Formation, Long Mynd (566.6 ± 2.9 Ma). Correlations to West Avalonia include the time-equivalent Fermeuse Formation, St John's Group, eastern Newfoundland (564.13 ± 0.65 Ma). The data presented here establish the biota of the Llangynog Inlier as a lateral...
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Journal Article
Published: 15 December 2023
Journal of the Geological Society (2024) 181 (1): jgs2023-138.
...Charles H. Wellman; Gilda Lopes; Zoë McKellar; Adrian Hartley Abstract The basal upper Silurian–Lower Devonian ‘Lower Old Red Sandstone’ deposits of the Midland Valley of Scotland contain several important fossil biotas, including that from the Cowie Harbour Fish Bed. This biota is of great...
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Journal Article
Journal: SEG Discovery
Published: 01 October 2023
SEG Discovery (2023) (135): 27–43.
..., 2015 ) with minimal effects on the environment. In addition, characterizing the premining baseline also provides reasonable closure goals, which extend beyond water quality to include sediment, soil, and biota. Concentrated, highly acidic solutions may form in arid environments, but with limited...
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Journal Article
Journal: Elements
Published: 01 October 2023
Elements (2023) 19 (5): 267–268.
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Series: Geological Society, London, Special Publications
Published: 17 May 2023
DOI: 10.1144/SP533-2023-23
EISBN: 9781786209658
... a small fraction is known in some detail so far. Morocco surely holds a key position, with famous sequences and Lagerstätten, such as the Fezouata and Tafilalt biotas ( Lefebvre et al. 2018 , 2022 ). Ghienne et al. (2023) summarize the main patterns of Ordovician geology of North and West Africa...
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Book Chapter

Series: Geological Society, London, Special Publications
Published: 17 May 2023
DOI: 10.1144/SP533-2022-39
EISBN: 9781786209658
.... Unmetamorphosed Ordovician rocks in this region occur only on the northwestern Seward Peninsula. Ordovician strata in the southwestern terranes contain a highly distinctive early Paleozoic biota that includes Laurentian, Siberian and some Baltic endemic forms ( Blodgett et al. 2002 ; Dumoulin et al. 2002...
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Series: Geological Society, London, Special Publications
Published: 17 May 2023
DOI: 10.1144/SP533-2022-193
EISBN: 9781786209658
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Series: Geological Society, London, Special Publications
Published: 17 May 2023
DOI: 10.1144/SP533-2022-19
EISBN: 9781786209658
... sedimentary sequences make it difficult to develop correlations on a global scale. However, improving the criteria of correlation will reduce the discrepancies in the Ordovician sequences of Mexico. The work reported herein aims to record, compile and summarize Ordovician sedimentary rocks and biota from...
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Series: Geological Society, London, Special Publications
Published: 17 May 2023
DOI: 10.1144/SP533-2022-23
EISBN: 9781786209658
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Series: Geological Society, London, Special Publications
Published: 17 May 2023
DOI: 10.1144/SP533-2022-52
EISBN: 9781786209658
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Series: Geological Society, London, Special Publications
Published: 17 May 2023
DOI: 10.1144/SP533-2022-128
EISBN: 9781786209658
... these megaregions, South China, North China and Tarim-Tianshan are further subdivided into several regions, based on the overall characteristics of stratigraphic successions, contacts, lithology and biota. The precise correlation between all these megaregions and beyond relies mainly on the graptolite and conodont...
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Series: Geological Society, London, Special Publications
Published: 10 May 2023
DOI: 10.1144/SP532-2023-8
EISBN: 9781786209641
.... Movement of continents to lower latitudes during the Ordovician (from Harper et al. 2021 ). Changing palaeobiogeography The Great Ordovician Biodiversification has provided a focus on the diachronous appearance and radiation of these biotas in phylogenies, time and space during the period...
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Series: Geological Society, London, Special Publications
Published: 10 May 2023
DOI: 10.1144/SP532-2022-285
EISBN: 9781786209641
... and intercontinental correlation within the system. The almost bewildering range of environments and facies, many without modern analogues, and the intense provincialism of Ordovician biotas appeared to be a formidable barrier to any acceptable global chronostratigraphy for the system. Nevertheless, within the last 40...
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Journal Article
Journal: Geology
Published: 08 May 2023
Geology (2023) 51 (7): 652–656.
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Series: Special Publication
Published: 05 April 2023
DOI: 10.2110/sepmsp.114.03
EISBN: 978-1-56576-369-2
... of Miocene chronostratigraphy, followed by discussions of Miocene sea-level history, orogenesis, climate, marine and terrestrial biota, ocean chemistry, and circulation patterns. This section is followed by a synopsis of Miocene carbonate platforms and reefs, finishing with a brief discussion of Miocene...
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