Nadiastrophia from the Headless Formation (Eifelian), Mackenzie Mountains, District of Mackenzie, Northwest Territories

The genus Nadiastrophia previously recorded only from Australia and China, is described from the Headless Formation of the Mackenzie Mountains. This discovery further emphasizes the early Middle Devonian faunal affinities between the Cordilleran and southeastern Pacific regions. The Mackenzie Mounta...

Full description

Bibliographic Details
Published in:Canadian Journal of Earth Sciences
Main Author: Lenz, A. C.
Format: Article in Journal/Newspaper
Language:English
Published: Canadian Science Publishing 1973
Subjects:
General Earth and Planetary Sciences
Northwest Territories
Pacific
Mackenzie mountains
Online Access:http://dx.doi.org/10.1139/e73-136
http://www.nrcresearchpress.com/doi/pdf/10.1139/e73-136
Description
Summary:The genus Nadiastrophia previously recorded only from Australia and China, is described from the Headless Formation of the Mackenzie Mountains. This discovery further emphasizes the early Middle Devonian faunal affinities between the Cordilleran and southeastern Pacific regions. The Mackenzie Mountains Nadiastrophia is assigned to a new species, N. mackenziensis.

Similar Items