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References
- ALENCÁSTER, G. 1980. Moluscos del Maestrichtiano de Texmalac, Guerrero. Sociedad Geológia Mexicana, Libro-Guía de la Excursión geológica a la Cuenca del Alto Río Balsas: 39-42.
- ALENCÁSTER, G. 1984. Late Jurassic-Cretaceous molluscan paleogeography of the southern half of Mexico. WESTERMANN, G.E.G. (ed.): Jurassic-Cretaceous Biocronology and Paleogeography of North America. Geol. Ass. Canada Spec. Pap. 27: 77-88.
- ALLISON, E.C. 1955. Middle Cretaceous gastropoda from Punta China, Baja California, Mexico. J. Paleont. 29: 400-432.
- GARDNER, J. 1945. Mollusca of the Tertiary Formations of Northeastern Mexico. Geol. Soc. Am. Memoir 11: 332p.
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