| Reference Type | Journal (article/letter/editorial) |
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| Title | Evolution of archaeocyaths and palaeobiogeography of the Early Cambrian |
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| Journal | Geological Magazine |
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| Authors | Zhuravlev, Andrey Yu. | Author |
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| Year | 1986 (July) | Volume | 123 |
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| Issue | 4 |
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| Publisher | Cambridge University Press (CUP) |
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| DOI | doi:10.1017/s0016756800033471Search in ResearchGate |
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| Generate Citation Formats |
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| Mindat Ref. ID | 253151 | Long-form Identifier | mindat:1:5:253151:3 |
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| GUID | 0 |
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| Full Reference | Zhuravlev, Andrey Yu. (1986) Evolution of archaeocyaths and palaeobiogeography of the Early Cambrian. Geological Magazine, 123 (4) 377-385 doi:10.1017/s0016756800033471 |
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| Plain Text | Zhuravlev, Andrey Yu. (1986) Evolution of archaeocyaths and palaeobiogeography of the Early Cambrian. Geological Magazine, 123 (4) 377-385 doi:10.1017/s0016756800033471 |
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| In | (1986, July) Geological Magazine Vol. 123 (4) Cambridge University Press (CUP) |
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| Abstract/Notes | AbstractIn the Early Cambrian, there were two peaks of the increase in number of new archaeocyathan genera. These diversification bursts are, perhaps, related to significant changes in Early Cambrian palaeogeography. The first burst at the beginning of the Atdabanian was, perhaps, connected with the initiation of archaeocyathan expansion beyond the Siberian Platform. During the second half of the Atdabanian, closely related archaeocyathan assemblages were established from North Africa to Australia because neither climate, nor geographic isolation could have affected their differentiation in that time. At the end of the Atdabanian and the beginning of the Botomian the number of archaeocyathan genera again increased sharply, and isolated provinces were established. The AmericanâKoryakiyan province was formed in western North America (from Alaska to Sonora) and included the Koryakiya, while the AfroâSiberianâAntarctic province probably extended from North Africa and Western Europe to Siberia, Australia, and Antarctica. The main difference between the regular archaeocyathan assemblages lies in what skeletal elements filled the intervallum. There was a certain stability in the distribution of skeletal elements of high taxonomic rank and an interchangeability of elements of low taxonomic rank. |
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