Líneas evolutivas de los Alveolínidos cretácicos de la Cordillera Ibérica (España)

Abstract

In this paper the presence of three different evolutive lineages of cretaceous Alveolinids is verified, using material coming from the Iberian Ranges. One of then begins with Ovalveolin a maccagnoae, the other with Praealveolina iberica, and the last one deals with Simplalveolina genre