15-million-year-old giant fossils discovered by excavation team in California

SIMI VALLEY, Calif. -- Researchers unearthed multiple, giant fossils estimated to be around 15-million-years-old in Simi Valley in California.

It was an exciting find for a group from California State Chico's Geological and Environmental Sciences Department.

Among the incredible dig, a mid-portion of a skeleton from a sea hippo was found.

A whale vertebrae was also recovered.