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The otarionine trilobites Harpidella and Maurotarion, with species from northwestern Canada, the United States, and Australia

Published online by Cambridge University Press:  20 May 2016

Jonathan M. Adrain  and
Brian D. E. Chatterton
Jonathan M. Adrain
Affiliation:
Department of Earth Sciences, University of Western Ontario, London, Ontario N6A 5B7, Canada
Brian D. E. Chatterton
Affiliation:
Department of Geology, University of Alberta, Edmonton, Alberta T6G 2E3, Canada
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Abstract

Maurotarion Alberti, 1969, is a diverse otarionine clade that can be readily distinguished from Harpidella M'Coy, 1849. Both genera appear in the Upper Ordovician and range until the Middle Devonian. A new diagnosis for each taxon is given. New species of the genera from the Ordovician and Silurian of the central Mackenzie Mountains, Northwest Territories, Canada, include Harpidella kurrii (Ashgill), H. tikkaneni (Llandovery), H. greggi (Wenlock), and Maurotarion messieri (Llandovery). Harpidella megalops (M'Coy, 1846), H. triloba (Hu, 1975), H. spinafrons (Williams in Cooper and Williams, 1935), Maurotarion struszi (Chatterton, 1971), and M. instita (Whittington and Campbell, 1967) are revised.

Type
Research Article
Information
Journal of Paleontology , Volume 69 , Issue 2 , March 1995 , pp. 307 - 326
Copyright
Copyright © The Paleontological Society 

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