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Browsing by Subject "Early Cambrian"

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Browsing by Subject "Early Cambrian"

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  • Ediacaran and Cambrian index fossils from Sonora, Mexico
    Hagadorn, JW; HuitronRubio, T; Sour Tovar, Francisco (2007)
    The Cambrian index fossil Treptichnus pedum is reported freom the Puerto Blanco Formation near Pitiquito, Sonora, Mexico, and new occurrences of the Neoproterozoic index fossil Cloudina are reported freom the underlying ...