Download Free Calymenid And Other Ordovician Trilobites From Kentucky And Ohio Book in PDF and EPUB Free Download. You can read online Calymenid And Other Ordovician Trilobites From Kentucky And Ohio and write the review.

Additional title page description: Species of the trilobites Iostelus, Bathyurus?, Proetidella, Gravicalymene, Flexicalymene, and Acidaspis are described from Middle and Upper Ordovician strata of Kentucky.
Stratigraphic distribution, paleoecology, biogeography, and systematic paleontology of 50 species of Ordovician nautiloids from the midcontinent.