ESPICULAS DE PORIFEROS DE LA FORMACION LA CRUZ, CAMBRICO SUPERIOR, DEPARTAMENTO LAS HERAS, PROVINCIA DE MENDOZA

Susana Heredia, Osvaldo Bordonaro, Edel Matteoda

Abstract


The occurrence of sponge remain in La Cruz Formation (Precordilleran Argentina) is reported. It may extend the biological spectrum from upper Cambrian of Argentina. Three basic forms of megascleres are described and illustrated.

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