This is a rare ammonite of the genus Aspidoceras from the Jura of Mexico. This Ammonite specimen is likely to be the species Aspidoceras ispinosoides. | |||
Location: | lrededores de San Pedro del Gallo, Mexico | ||
Size Ammonite: | about 23 mm | ||
Age: | Upper Jurassic, Kimmeridgian (About 152 Ma) |