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Excerpt from A New Arthrodire From the Cleveland Shale Formation Median Dorsal with a short median and a pair of long lateral anterior processes; ventral keel low and not extending to the anterior limits of the plate; posterior portion of the keel thickened and projecting beyond the rounded posterior margin of the dorsal plate. Antero-dorso-lateral deeper than long; condyle moderately developed; sub-glenoid process weak; anterior margin of the bone extended markedly upward and backward dorsal to the condyle. The Antero-lateral short but indicated to be exceedingly deep. Sensory canals developed as deep narrow grooves. The externo basal canal represented by a single pit immediately anterior to the lateral extremity of the condylar fossa. An accessory central canal present. Gape between dorsal and ventral portions of the sub-post orbital canal wide. Gnathal and sub-post-orbital canals not joined On the sub-orbital plate. Antero-lateral canal not developed on the Postero-dorso-lateral. Specific Diagnosis. At this time the same as the generic diag nosis. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.

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