Fauna de amonitas y presencia de Lamellaptychus murocostatus Trauth del Jurásico Superior de la Sierra de Palotes, Durango

  • Ana Bertha Villaseñor-Martínez Instituto de Geología, Universidad Nacional Autónoma de México, Ciudad Universidad, Delegación Coyoacán, 04510 México, D. F. Instituto Mexicano del Petroleo, Ave. De los Cien Metros 500, Delegación Gustavo A. Madero, 07730 México, D. F.
  • Celestina González-Arreola Instituto de Geología, Universidad Nacional Autónoma de México, Ciudad Universitaria, Delegación Coyoacán, 04510 México, D. F.
Keywords: ammonites, La Casita Formation, Cuencamé, Durango

Abstract

In the present paper, a fauna made up of ammonites and an aptychus collected in the La Casita Formation of Sierra de Palotes is studied. The sampling was carried out from the material which is exposed in Cuencamé area, Durango.

Two families, four genera and three species of Kimmeridgian age were recognized; Lamellaptychus murocostatus Trauth is reported for the first time in Mexico.

Bivalves from the families Buchiidae Cox, 1953 and Pectinidae Rafinesque, 1815 were also recorded in different levels of the studied outcrops.

Published
2019-03-19
Issue
Vol 7 No 1 (1987)
Section
Regular Papers

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