📖دایناسور - ویکی پدیا
اوتنیل چارلز مارش. Marsh's 1896 illustration of the bones of استگوسوروس, a dinosaur he described and named in 1877. The study of these "great fossil lizards" soon became of great interest to European and American scientists, and in 1842 the English paleontologist Richard Owen coined the term "dinosaur".