The Ixtaltepec Formation is a geologic formation in Oaxaca state, southwestern Mexico. It preserves fossils dating back to the Pennsylvanian epoch of the Carboniferous period.
The Ixtaltepec Formation is a geologic formation in Oaxaca state, southwestern Mexico. It preserves fossils dating back to the Pennsylvanian epoch of the Carboniferous period. (en)
The Ixtaltepec Formation is a geologic formation in Oaxaca state, southwestern Mexico. It preserves fossils dating back to the Pennsylvanian epoch of the Carboniferous period. (en)