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Research progress in Ediacaran biostratigraphy of South China
Silicified microfossils from the Doushantuo Formation at the Lujiayuanzi section
Doushantuo-Pertatataka acritarchs (DPAs) are abundant and well preserved in the Ediacaran Doushantuo Formation in South China. Not only do they provide insights into the marine ecosystem immediately after a ... |
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Middle–Upper Ordovician chitinozoan assemblage from Yangtze Platform
Lithology and chitinozoan stratigraphic ranges of the Middle–Upper Ordovician Miaopo Formation at Jieling, northern Yichang, western Hubei.
As an extinct group of organic-walled, planktic microfossils, chitinozoan is characterized by its wide distribution and short temporal range of its... |
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The ecological effect through the end Ordovician mass extinction
Diagram showing the generic (diversity) and specimen (abundance) percentages of various major groups of late Hirnantian and early Rhuddanian brachiopods (theCathaysiorthis fauna), and late Katian brachiopods in the Jiangnan Region, Southeast China.
Classification of extinction events and... |
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Thylacocephala (Arthropoda) from the Lower Triassic of Chaohu, China
Ankitokazocaris chaohuensis. scale bars equal 5 mm
Thylacocephala, though only been recognized for 25 years, has been considered a peculiar group worthy of detailed anatomical and phylogenetic studies. They are benthic arthropods showing large, laterally flattened ovoid/sub-trapezoidal b... |
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New progress on the study of clam shrimps from Yanji Basin
Clam shrimp Ordosestheria multicostata
Clam shrimps (conchostracans) are freshwater branchiopod crustaceans with a hinged chitinous or complex chitin-mineral carapace. They are known in the fossil record from the Devonian to recent. Since the Pennsylvanian, clam shrimps have been an impo... |
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