1.   Its skull will be shown soon at a large commercial fossil show in Arizona.

2.   Moroccan forgeries are similarly notorious, with thousands of wholly or partly faked trilobites circulating in fossil shows, stores and catalogs.

3.   Thousands of wholly or partly faked trilobytes appear in fossil shows and catalogs, and some even make their way into museums.

4.   The new fossil shows what appear to be gill slits, but the creature did not have a backbone or fins, Morris said.