How do paleontologists know where to split a rock to get the perfect fossil? Geology Hub How do paleontologists know where to split a rock to get the perfect fossil? Leave an answerCancel replyYou must login to add an answer.Continue with Googleor use Username or email* Password* Remember Me! Forgot Password? Continue with Google Related Questions Which fossils are these? What event or change defines the Paleogene-Neogene boundary?