In a message dated 4/11/99 10:50:39 AM EST, smithjb@sas.upenn.edu writes: << _Torvosaurus_ has 10-13 teeth in the one examined specimen. >> This is indeed strange: You have only one specimen, and it sometimes has 10 teeth and at other times 13 teeth? Yes, I would agree that >this< kind of variability would make tooth count a bad character...