Calcified Tissue Research

, Volume 26, Issue 1, pp 267–269

Natural calcification of the prosomatic endosternite in the phalangiidae (Arachnida: Opiliones)

  • J. Kovoor


Extracellular masses of crystals are present in the endosternite of certain opilions (Phalangium, Odiellus, andLeiobunum). X-ray spectrography and secondary-ion analysis have shown them to be rich in calcium but poor in phosphorus and other elements. The associated anion has not been identified, but is most probably organic in nature and perhaps an oxalate.

Key words

Chondroid tissue Calcification Opilions Chelicerates Electron microprobe 


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Copyright information

© Springer-Verlag 1978

Authors and Affiliations

  • J. Kovoor
    • 1
  1. 1.Laboratoire d'EvolutionUniversité Pierre et Marie CurieParisFrance

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