Holmograptus spinosus and the Middle Ordovician (Darriwilian) graptolite biostratigraphy at Les Méchins (Quebec, Canada)

• Published in: Canadian Journal of Earth Sciences
• Main Author: Maletz, Jörg
• Other Authors: Jin, Jisuo
• Format: Article in Journal/Newspaper
• Language: English
• Published: Canadian Science Publishing 2009
• Subjects: General Earth and Planetary Sciences; Canada; Cow Head; Goose Tickle; Table Head; Tickle; Newfoundland
• Online Access: http://dx.doi.org/10.1139/e09-048; http://www.nrcresearchpress.com/doi/full-xml/10.1139/E09-048; http://www.nrcresearchpress.com/doi/pdf/10.1139/E09-048

The Les Méchins region in Quebec provides a unique opportunity to understand the Darriwilian graptolite succession in eastern North America. The graptolite faunas of the upper member of the Anse au Crapaud Formation include the Arienigraptus gracilis , Oncograptus upsilon , Undulograptus austrodenta...