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Andinacaste (Trilobita) from the earliest Devonian of Argentina

Published online by Cambridge University Press:  14 July 2015

Gregory D. Edgecombe ,
Beatriz G. Waisfeld  and
Norberto E. Vaccarp
Gregory D. Edgecombe
Affiliation:
Department of Geology, University of Alberta, Edmonton, Alberta, T6G 2E3, Canada
Beatriz G. Waisfeld
Affiliation:
Cátedra de Estratigrafia y Geología Histórica, Facultad de Ciencias Exactas, Físicas y Naturales, Universidad Nacional de Córdoba, Avenida Vélez Sársfield 299, 5000 Córdoba, Argentina
Norberto E. Vaccarp
Affiliation:
Cátedra de Estratigrafia y Geología Histórica, Facultad de Ciencias Exactas, Físicas y Naturales, Universidad Nacional de Córdoba, Avenida Vélez Sársfield 299, 5000 Córdoba, 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.

Type
Research Article
Information
Journal of Paleontology , Volume 68 , Issue 4 , July 1994 , pp. 837 - 841
Copyright
Copyright © The Paleontological Society 

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