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Systematics of the koneprusiine trilobites, with new taxa from the Silurian and Devonian of Laurentia

Published online by Cambridge University Press:  14 July 2015

Jonathan M. Adrain
Affiliation:
1Department of Geoscience, University of Iowa, 121 Trowbridge Hall, Iowa City, 52242,
Brian D. E. Chatterton
Affiliation:
2Department of Earth and Atmospheric Sciences, University of Alberta, Edmonton, Alberta, T6G 2E3, Canada,
Gerald J. Kloc
Affiliation:
3Department of Earth and Environmental Sciences, University of Rochester, Rochester, New York 14627,

Abstract

Systematics of the trilobite subfamily Koneprusiinae Vaněk and Pek, 1987 are revised on the basis of new material and a comprehensive parsimony analysis. New taxa include the genus Nevadaprusia (type species N. cortezensis n. sp.) from the Pragian of Nevada and the species Laethoprusia graffhami n. sp. from the Lochkovian of Oklahoma, L. cozarti n. sp. from the Lochkovian of Tennessee, and Laethoprusia n. sp. A from the Sheinwoodian of Arctic Canada and the southern Mackenzie Mountains. Nevadaprusia insolita (Haas) is revised on the basis of new material. Laethoprusia and Nevadaprusia are interpreted as sister taxa, and Koneprusia and Isoprusia are successive sister groups to the Laethoprusia/Nevadaprusia clade.

Type
Research Article
Copyright
Copyright © The Paleontological Society 

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