Project 902: G. D. Edgecombe. 1992. Trilobite phylogeny and the Cambrian-Ordovician "event": cladistic reappraisal. Extinction and Phylogeny:144-177.
This project has 27 taxa.
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Showing 7 taxonomic names where genus starts with 'P'.

* indicates that a taxon has not matched to the NCBI hierarchy.

Phacopidae *
Physemataspis insularis Shaw, 1968 *
Pilekiidae *
Pliomerinae *
Proetida *
Prosopiscidae *
Pterygometopidae *