Abstract

Abstract During the Eocene, iguanid lizards were a diverse and widespread group in Europe. Prior to this study, no iguanid was known in Europe after the Eocene-Oligocene boundary. Some specimens from the locality of Pech-du-Fraysse (late Oligocene, MP28, France, Phosphorites du Quercy) are described. They belong to the Iguanidae, more precisely to the genus Geiseltaliellus, demonstrating that iguanid lizards survived the Eocene-Oligocene extinctions in Europe, only to disappear in the aftermath, certainly during the latest Oligocene. Thus, Geiseltaliellus is recognized as a Lazarus taxa. Explanations pertaining to the Lazarus effect are examined.

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