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An Introduction to Historical Geology: With Special Reference to North America

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An Introduction to Historical Geology: With Special Reference to North America - Miller, William John
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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1916 Excerpt: ...through the Paleozoic era, still prevalent for the last time. Mollusks.--Pelecypods continued to increase in numbers and species, while Gastropods much like the older Paleozoic forms were still common. Cephalopods.--Some early Paleozoic types of Nautiloids (e.g. Orthoceras and Gyroceras) still persisted and various ...

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