H. Ehrlich

V. N. Sivkov1
A. Steinhof1
D. Kurek1
1V. N. Sivkov
1A. Steinhof
1D. Kurek
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Sponges are probably the earliest branching animals, and their fossil record dates back to the Precambrian. Identifying their skeletal structure and composition is thus a crucial step in improving our understanding of the early evolution of metazoans. Here, we present the discovery of 505-million-year-old chitin, found in exceptionally well preserved Vauxia(More)
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