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.
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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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Journal of Paleontology
Vol. 86 • No. 2
March 2012
Vol. 86 • No. 2
March 2012