Resultados de búsqueda - south ((park OR mark) OR para)

Primer registro fósil del gasterópodo Cincinnatia (Hydrobiidae: Nymphophilinae) en México por Czaja, Alexander, Estrada Rodríguez, José Luis, Romero Méndez, Ulises, Estrada Arellano, Josué Raymundo, González Zamora, Alberto

“…Morphology and discriminant analysisindicate that the fossil material correspond to Cincinnatia integra (Say, 1821), an extant species with a disjunct distribution between the eastern part of United States of America and southern Canada and a small area near Pánuco River, San Luis Potosí, Mexico. The new findings mark the westernmost limit of the original distribution of Cincinnatia and suggest a north-south connection between both areas in the original extension of C. integra, today separated according to the records by more than 700 km, since the late Pleistocene to sub-recent times. …”
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Altered volcanic ash layers of the Late Cretaceous San Felipe Formation, Sierra Madre Oriental (Northeastern Mexico): U-Pb geochronology, provenance and tectonic setting por Velasco Tapia, Fernando, Martínez Paco, Margarita, Iriondo, Alexander, Ocampo Díaz, Yam Zul Ernesto, Cruz Gámez, Esther María, Ramos Ledezma, Andrés, Andaverde Arredondo, Jorge Alberto, Ostroumov, Mikhail, Masuch Oesterreich, Dirk