John R. ” Jack ” Horner (born June 15, 1946) is a non-degree holding American paleontologist who when sending and named Maiasaura , Providing the first clear evidence dat some…
John R. ” Jack ” Horner (born June 15, 1946) is a non-degree holding American paleontologist who when sending and named Maiasaura , Providing the first clear evidence dat some…