Abstract
BECAUSE sponges constitute an important part of many fossil records, their fine structure should be of interest to palaeontologists. Internal fine structure in spicule fossils would provide a valuable comparison with present day spicules. Furthermore, changes in the fine structure of spicule fossils may offer clues as to climatological or ecological conditions in that period.
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SCHWAB, D., SHORE, R. Mechanism of Internal Stratification of Siliceous Sponge Spicules. Nature 232, 501–502 (1971). https://doi.org/10.1038/232501a0
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DOI: https://doi.org/10.1038/232501a0
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