> ---------- > From: Mark James Bethke > Reply To: Conchologists of America List > Sent: 26, January 2001 12:21 PM > To: [log in to unmask] > Subject: Re: Help in Identifing a fossil sharks tooth > > Thank you Paul ,,,, most helpful . Mark (ferret) > ----- Original Message ----- > From: "Monfils, Paul" <[log in to unmask]> > To: <[log in to unmask]> > Sent: Friday, January 26, 2001 10:59 AM > Subject: Re: Help in Identifing a fossil sharks tooth > > > > Hi Mark, > > There are a number of different types of shark teeth that have bilateral > > cusps beside the main blade. But given the large size of your specimen, > it > > is probably an Otodus tooth, probably Otodus obliquus (a larger ancestor > of > > the modern day mackerel shark). > > > > Here are some site that may be helpful: > > > > http://nmnhwww.si.edu/paleo/sharkteeth/#anchor26517478 > > http://www.megalodonteeth.com/ > > http://www.naturepreserved.com/megalodon/fossil%20shark%20teeth.htm > > > > Regards, > > Paul M. > > > >