The Ysidro Formation is a geologic formation in Baja California state, northwestern Mexico. It preserves fossils dating back to the Miocene epoch of the Neogene period.
The Ysidro Formation is a geologic formation in Baja California state, northwestern Mexico. It preserves fossils dating back to the Miocene epoch of the Neogene period. (en)
The Ysidro Formation is a geologic formation in Baja California state, northwestern Mexico. It preserves fossils dating back to the Miocene epoch of the Neogene period. (en)