Although the view has been shown incorrect , it was the prevalent theory among paleontologists in Cope 's time . In 1887 , Cope published his own `` Origin of the Fittest : Essays in Evolution '' , detailing his views on the subject .
Although the view has been shown to be incorrect , it was common among paleontologists in Cope 's time.p68 In 1887 , Cope published his own `` Origin of the Fittest : essays in evolution '' , detailing his views on the subject .