First evidence of chitin as a component
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Hermann Ehrlich; Manuel Maldonado; Klaus-dieter Spindler; Carsten Eckert; Thomas
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Article
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2007
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John Wiley and Sons
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English
⚖ 365 KB
## Abstract The Porifera (sponges) are often regarded as the oldest, extant metazoan phylum, also bearing the ancestral stage for most features occurring in higher animals. The absence of chitin in sponges, except for the wall of peculiar resistance bodies produced by a highly derived fresh‐water g