On Tuesday, May 04, 1999 9:16 AM, darren.naish@port.ac.uk [SMTP:darren.naish@port.ac.uk] wrote: > Diplodocid teeth are often heavily worn at their tips, with a > well-developed, polished oblique wear facet. Terminology question. Oblique to what? Meaning a large angle with respect to the plane of the jaw? --Toby White