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Devonian brachiopods from northern Chile

Published online by Cambridge University Press:  20 May 2016

A. J. Boucot ,
Heinrich Bahlburg ,
Christoph Breitkreuz ,
Peter E. Isaacson ,
Hans Niemeyer  and
Felipe Urzua
A. J. Boucot
Affiliation:
Department of Zoology, Oregon State University, Corvallis 97331
Heinrich Bahlburg
Affiliation:
Geologisches Institut, Universität Heidelberg, D-69120, Germany
Christoph Breitkreuz
Affiliation:
Institut fur Geologie, Technische Universitaet, D-10587, Berlin, Germany
Peter E. Isaacson
Affiliation:
Department of Geology, University of Idaho, Moscow 83843
Hans Niemeyer
Affiliation:
Calle Jose-Miguel Carrera 1663—Depto 1304, Antofogasta, Chile
Felipe Urzua
Affiliation:
Minera Orion Chile LTDA, Casilla 126, Santiago, Chile
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Abstract

Fossiliferous marine Devonian has been known in Chile for less than a decade. The initial discovery from south of the Salar de Atacama region, in the Sierra de Almeida, northern Chile is described together with its brachiopods. The brachiopods indicate an age span of Emsian–Eifelian or Givetian, shallow-water conditions in the Benthic Assemblage 2 range, and a biogeographic boundary region between the cool climate Malvinokaffric Realm and warmer region extra-Malvinokaffric Realms, including the Eastern Americas Realm and the Rhenish-Bohemian Region of the Old World Realm. The recent discovery of a Malvinokaffric Realm trilobite far to the south in Chile, at Buill in the Andes of Chiloe, serves to underline our very preliminary knowledge of the Chilean Devonian, whereas the alleged Devonian brachiopods from the Chonos Archipelago far to the south are probably bivalves of uncertain age.

Type
Research Article
Information
Journal of Paleontology , Volume 69 , Issue 2 , March 1995 , pp. 257 - 263
Copyright
Copyright © The Paleontological Society 

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