Abstract
Upper Silurian and Lower Devonian graptolite biostratigraphy of the northern Canadian Cordillera is revised in the light of new data. The zones, listed in order of oldest to youngest, are Lobograptus progenitor, Saetograptus fritschi linearis, and Bohemograptus bohemicus tenuis: Ludlow; Monograptus formosus, Pristiograptus ultimus, Pristiograptus chelmiensis, Monograptus bouceki, and Pristiograptus transgrediens praecipuus: Pridoli; Monograptus uniformis and M. hercynicus: Lochkov; and Monograptus falcarius?, M. fanicus, M. thomasi?, and M. yukonensis: Prag.The following taxa, inclusive of new species, are described: Pristiograptus separabilis Teller, Pseudomonoclimacis tetlitensis n. sp., P. richardsonensis n. sp., P.? bispinosus n. sp., Monograptus ceratus n. sp., M. aequabilis bardoensis Porebska, M. cf. anerosus Koren', M. fanicus Koren', M. hercynicus hercynicus Perner, M. uniformis parangustidens Jackson and Lenz, Saetograptus fritschi linearis (Bouček), and Abiesgraptus? sp.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.