Registros del 1 al 3 de 3 encontrados |
![](./images/clear.gif) 1.- A PROPOSED GLOBAL BOUNDARY STRATOTYPE SECTION AND POINT FOR THE BASE OF THE MIDDLE ORDOVICIAN SERIES; THE NIQUIVIL SECTION, PRECORDILLERA OF SAN JUAN, ARGENTINA
INTERNATIONAL UNION OF GEOLOGICAL SCIENCES (IUGS); OTTAWA, ON; CAN; CANADA, 2006
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![](./images/clear.gif) 2.- EL GENERO ISOGRAPTUS MOBERG EN LA FORMACION GUALCAMAYO (ORDOVICICO) DE LA PRECORDILLERA ARGENTINA
1987
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![](./images/clear.gif) 3.- THE EVOLUTION OF THE DIDYMOGRAPTID XIPHOGRATUS (GRAPTOLITHINA, DIDYMOGRAPTINAE)
1998
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