Paleontologists believe these are the bones of a cetotherium, a primitive extinct baleen whale. These creatures, measuring more than 30 meters in length, lived in mid-Miocene to early Pliocene.
During its heyday, the Paratethys was also home to a thriving ecosystem and a broad variety of species including the now-extinct Cetotherium riabinini, which is the smallest-known baleen whale ...