The San Juan Raya Formation is a geologic formation in Mexico. It preserves fossils dating back to the Albian and Aptian stages of the Early Cretaceous period.
The San Juan Raya Formation is a geologic formation in Mexico. It preserves fossils dating back to the Albian and Aptian stages of the Early Cretaceous period. (en)
The San Juan Raya Formation is a geologic formation in Mexico. It preserves fossils dating back to the Albian and Aptian stages of the Early Cretaceous period. (en)