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

David J. Holloway; Juan J. Rustán

doi:10.1666/11-082.1

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1 March 2012 The Trilobite Reedops (Phacopidae) in the Lower Devonian of Argentina (Malvinokaffric Realm)

David J. Holloway, Juan J. Rustán

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J. of Paleontology, 86(2):253-257 (2012). https://doi.org/10.1666/11-082.1

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.

The Paleontological Society

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David J. Holloway and Juan J. Rustán "The Trilobite Reedops (Phacopidae) in the Lower Devonian of Argentina (Malvinokaffric Realm)," Journal of Paleontology 86(2), 253-257, (1 March 2012). https://doi.org/10.1666/11-082.1

Accepted: 1 September 2011; Published: 1 March 2012

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