5.75" (14.62 cm) tall, 4.77" (12.13 cm) wide, 2.3" (5.82 cm) thick. Ceratopsian Vertebrae from the Ojo Alamo Formation of Sandoval County New Mexico. This a rare formation and location to obtain fossils. Maastrichtian age of the Cretaceous period, between about 69-68 million years ago