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Article: Discovery of nauplius-like trilobite larvae

Publication: Palaeontology
Volume: 21
Part: 4
Publication Date: November 1978
Page(s): 823 833
Author(s): R. A. Fortey and S. F. Morris
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How to Cite

FORTEY, R. A., MORRIS, S. F. 1978. Discovery of nauplius-like trilobite larvae. Palaeontology21, 4, 823–833.

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The Palaeontological Association (Free Access)


Phosphatized cybelinid trilobite larvae in an exceptional state of preservation have been obtained from early Ordovician limestones in northern Spitsbergen. A stage below the anaprotaspis is described, and termed the phaselus stage. There is a case for regarding the phaselus larva as homologous with the nauplius larva of extant Crustacea.
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