INNER WHORLS OF <em>GREGORYCERAS</em> (AMMONITINA, PELTOCERATINAE) AS THE FIRST OCCURRENCE OF THE GENUS IN MEXICO
Two nuclei of Gregoryceras are described as the first record of the genus in Mexico. The occurrence in Mexico of the ubiquitous Tethyan genus Gregoryceras is interpreted as related to a major flooding episode that affected neritic shelves in the southern North-American plate.
Main Authors: | ANA BERTHA VILLASEÑOR, FEDERICO OLÓRIZ, ISABEL LÓPEZ-PALOMINO |
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Format: | Article |
Language: | English |
Published: |
Milano University Press
2004-03-01
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Series: | Rivista Italiana di Paleontologia e Stratigrafia |
Online Access: | https://riviste.unimi.it/index.php/RIPS/article/view/6295 |
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