Dos especies de equinoides (Echinodermata-Echinoidea) del Eoceno tardío de Tantoyuca, Veracruz

  • Blanca Estela Buitrón Instituto de Geología, Universidad Nacional Autónoma de México, Ciudad Universitaria, México 20, D. F.
  • Bertha Silva-Sánchez Colegio de Ciencias y Humanidades, Plantel Azcapotzalco, Universidad Nacional Autónoma de México, Av. Lázaro Cárdenas 2060, Azcapotzalco, México 16, D. F.
Keywords: echinoids, Oligopygus rotundus, Eupatagus (Eupatagus) mooreanus, Tantoyuca Formation, Veracruz

Abstract

Two species of exocyclic echinoids (Oligopygus rotundus Cooke, and Eupatagus (Eupatagus) mooreanus Pilsbry) are described from outcrops of the Tantoyuca Formation (upper Eucene) from sites located in the northeastern part of the State of Veracruz. These species previusly were ciled from the Moodys Branch Formation (upper Eocene) of Florida, U. S. A.

Published
2019-04-09
Section
Regular Papers