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Morphological Evidence of Coherent Organic Material within the Stereom of Postmetamorphic Echinoderms

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Summary

The occurrence of a coherent organic material within the mineral phase (i.e. the stereom) of the skeleton of postmetamorphic echinoderms is demonstrated in both light and scanning electron microscopies. This material is structured in concentric laminae bridged by radial threads. IC most probably introduces extensive discontinuities in the crystalline network of the high-magnesium calcite which forms the skeleton. Consequently, echinoderm ossicles should presumably be true polycrystalline aggregates.

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© 1991 Springer-Verlag Tokyo

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Dubois, P. (1991). Morphological Evidence of Coherent Organic Material within the Stereom of Postmetamorphic Echinoderms. In: Suga, S., Nakahara, H. (eds) Mechanisms and Phylogeny of Mineralization in Biological Systems. Springer, Tokyo. https://doi.org/10.1007/978-4-431-68132-8_7

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  • DOI: https://doi.org/10.1007/978-4-431-68132-8_7

  • Publisher Name: Springer, Tokyo

  • Print ISBN: 978-4-431-68134-2

  • Online ISBN: 978-4-431-68132-8

  • eBook Packages: Springer Book Archive

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