Project 902: G. D. Edgecombe. 1992. Trilobite phylogeny and the Cambrian-Ordovician "event": cladistic reappraisal. Extinction and Phylogeny:144-177.

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Original filename: Edgecombe1992.tif

Morphobank media number
M307687

Taxonomic name
Physemataspis insularis Shaw, 1968

Specimen
Physemataspis insularis Shaw, 1968 (NYSM 15066)

Specimen notes
stage 1 protaspis

View
ventral

Media loaded by
Jo Wolfe

Media loaded on
September 18 2013 at 7:53:02

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