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Variation in lens packing of Phacops (Trilobita)
Published online by Cambridge University Press: 01 May 2009
Summary
Phacops turco aff. praecedens Haas, from the Devonian (Eifelian) of Morocco, varies in the type of lens packing in the eye. Cubic close packing in trilobite eyes is described for the first time.
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