Discovery of Corallina fossil from the Middle Cambrian of Taijiang County, Guizhou Province, China |
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Authors: | Ruidong Yang Yuanlong Zhao |
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Institution: | (1) Department of Earth Sciences, Nanjing University, 210093 Nanjing, China;(2) Department of Resources, Guizhou University of Technology, 550002 Guiyang, China |
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Abstract: | Abundant and well-preserved macroalgae fossils have been discovered in silty mudstones and shales from the Middle Cambrian
of Taijiang County, Guizhou Province, China. CorallinaParaamphiroa siniansis gen. et sp. nov. in the Kaili Fm., is the earliest Corallina fossil, which usually coexists with other carbonaceous macroalgae
fossils on the bedding planes of mudstone and shale and is different from the calcareous and phosphatized Precambrian-Cambrian
thallus discovered in the Lower Cambrian of Siberia and the Doushantou phosphate rocks of Weng’an County, Guizhou Province,
China. The discovery of calcified thallus in the Kaili Fm. bears great importance on the study of phylogeny and evolution
of early calcareous macroalgae. |
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Keywords: | Corallina Middle Cambrian Guizhou Province China |
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