PJR, I didn't understand your edit. How would pterosaurs bones have got into Mesozoic rocks if they hadn't lived in the Mesozoic Era? [[User:JimBob61|JimBob61]] 17:25, 9 May 2008 (EDT) | PJR, I didn't understand your edit. How would pterosaurs bones have got into Mesozoic rocks if they hadn't lived in the Mesozoic Era? [[User:JimBob61|JimBob61]] 17:25, 9 May 2008 (EDT) |