Comment on “An enigmatic, possibly chemosymbiotic, hexactinellid sponge from the early Cambrian of South China” by Joseph P. Botting, Lucy A. Muir, Xiang-Feng Li, and Jin-Pai Lin
P.P. Shirshov Institute of Oceanology, Russian Academy of Sciences, Nakhimovskiy prospekt 36, Moscow, 117997, Russia
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