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Showing 1 to 1 of 1 for “"Heliosphaeridium"”.
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Constraining the Ediacaran-Cambrian boundary in South China using acanthomorphic acritarchs and Palaeopascichnus fossils
… Acanthomorphic acritarchs of the Asteridium-Heliosphaeridium-Comasphaeridium (AHC) assemblage zone have been identified at 11 localities in chert-phosphorite layers in the basal Cambrian Yanjiahe, Liuchapo, and Niutitang formations. These localities span a 300 km transect in South China, with …