Browsing M.Sc. Earth Sciences by Subject "Paleontology|yPaleozoic."
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Microstructural and geochemical investigation of North American lower-middle Paleozoic trilobites and recent arthropods (Brock University, 1989-07-09)Trilobites ¥tere collected from Ordovician and Devonian formations of Ontario} New York} Ohio} Oklahoma} and Indiana. Diversity was generally low} but 19..?telllS and Ph..~tY>ps ¥tere the most abundant species from the ...