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The trilobite Reedops (Phacopidae) in the Lower Devonian of Argentina (Malvinokaffric Realm)

Published online by Cambridge University Press:  20 May 2016

David J. Holloway  and
Juan J. Rustán
David J. Holloway
Affiliation:
Museum Victoria, GPO Box 666, Melbourne, Victoria 3001, Australia,
Juan J. Rustán
Affiliation:
Universidad Nacional de la Rioja, and CICTERRA-CIPAL-CONICET, Facultad de Ciencias Exactas Físicas y Naturales, Universidad Nacional de Córdoba), Av. Vélez Sársfield 299, CP 5000, Córdoba, Argentina,
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Abstract

The trilobite Reedops is documented from strata probably corresponding to the middle part of the Talacasto Formation in the Sierra de las Minitas, at the northernmost extent of the Precordillera in La Rioja Province, northwestern Argentina. The specimens resemble the type species of the genus, R. bronni, indicating a Pragian (Early Devonian) age for the strata, and suggesting the occurrence at this time of faunal exchange between the Old World Realm, particularly the Bohemian area, and the Malvinokaffric Realm. The taxon represents the first Early Devonian macrofaunal element in the Malvinokaffric Realm with global biostratigraphical significance.

Type
Research Article
Information
Journal of Paleontology , Volume 86 , Issue 2 , March 2012 , pp. 253 - 257
Copyright
Copyright © The Paleontological Society 

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