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Re: preliminary ornithischian classification

In a message dated 6/9/01 4:27:50 PM EST, amaris@tin.it writes:

<< Comment are welcome >>

Nice job! I classified Heterodontosauridae and Pisanosauridae in 
Pachycephalosauria back in 1991 in Mesozoic Meanderings #2 first printing, on 
the basis of rather fewer characters than you have.