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Andinacaste (Trilobita) from the Earliest Devonian of Argentina

Gregory D. Edgecombe, Beatriz G. Waisfeld and Norberto E. Vaccari
Journal of Paleontology
Vol. 68, No. 4 (Jul., 1994), pp. 837-841
Published by: Paleontological Society
Stable URL: http://www.jstor.org/stable/1306151
Page Count: 5
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Andinacaste (Trilobita) from the Earliest Devonian of Argentina
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Abstract

The acastomorph calmoniid trilobite Andinacaste Eldredge and Braniša, 1980, has been known from the basal Devonian (Lower Lochkovian) of Bolivia. Andinacaste espejensis n. sp., described from probable Lower Lochkovian strata of the Los Espejos Formation in the Precordillera of San Juan Province, is the first Argentine record of this genus. Accordingly, Andinacaste is identified as a typical component of basal Devonian trilobite assemblages over a broad geographic range in Andean South America.

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