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

Specimen reference source

Taxonomic name
† Physemataspis insularis Shaw, 1968

Institution code for specimens repository
NYSM 15066

Specimen created by
Jo Wolfe

Specimen created on
September 18 2013 at 7:49:51

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