Some late Wenlock and Ludlow monograptid graptolites, Cornwallis Island, Arctic Canada

• Published in: Canadian Journal of Earth Sciences
• Main Author: Lenz, Alfred C.
• Format: Article in Journal/Newspaper
• Language: English
• Published: Canadian Science Publishing 1992
• Subjects: Arctic; Canada; Cornwallis; Cornwallis Island
• Online Access: https://doi.org/10.1139/e92-018; http://www.nrcresearchpress.com/doi/pdf/10.1139/e92-018

Seven species of uncompressed latest Wenlock and Ludlow monograptid graptolites, isolated from calcareous concretions, are described and illustrated. The biostratigraphically important species "Pristiograptus" ludensis, of latest Wenlock age, and Saetograptus fritschi linearis and Monograp...