Some believe that private collectors may damage important fossils , subject them to forgery , and obscure their origins or evidence about their ages .
Some professionals feel that private collectors put fossils in private hands where science may not be able to access or study them .
Some believe that private collectors may damage important fossils , subject them to forgery , and obscure collectors ' origins or evidence about their ages .
Some professionals feel that private collectors put fossils in private hands where science may not be able to access or study them .