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espanolSe describe una nueva especie del genero Schlueterella Wiedmann, 1962. Los veinte ejemplares de este ammonoideo heteromorfo fueron colectados en el norte de Coahuila, Mexico. Parece que Schlueterella stinnes-becki n. sp. fue una especie endemica en el Turoniano tardio-Coniaciano temprano. Con total certeza se trata del registro mas antiguo de este genero y una forma basica en su evolucion desde Neocrioceras. EnglishA new species of the genus Schlueterella Wiedmann, 1962 is here described. Twenty specimens of this heteromorph ammonoid were collected in northern Coahuila, Mexico. Schlueterella stinnesbecki n. sp. seems to have been an endemic form in the late Turonian-early Coniacian. This is the oldest definite record of the genus and a basal form in its evolution away from Neocrioceras.

Schlueterella stinnesbecki n. sp. (Ammonoidea, Diplomoceratidae) from the Turonian-Coniacian of northeastern Mexico