Systematics of Encrinuroides and Curriella (Trilobita), with a new Early Silurian encrinurine from the Mackenzie Mountains

• Published in: Canadian Journal of Earth Sciences
• Main Authors: Edgecombe, Gregory D., Chatterton, Brian D. E.
• Format: Article in Journal/Newspaper
• Language: French
• Published: Canadian Science Publishing 1990
• Subjects: General Earth and Planetary Sciences; Northwest Territories; Weller; Mackenzie mountains
• Online Access: http://dx.doi.org/10.1139/e90-085; http://www.nrcresearchpress.com/doi/pdf/10.1139/e90-085

Encrinuroides Reed, 1931 has been diagnosed as a paraphyletic ancestral taxon since its inception. Cladistic parsimony analysis of "Encrinuroides" species most closely related to the Silurian Encrinurus plexi discovers two shortest-length cladograms (consistency index = 0.68) based on 28 e...