Reply To: Tiger Shark Tooth – Is it Palaeohypotodus rutoti?

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#55880
Bill Heim
Participant

Palaeohypotodus is a genus found in the Palaeocene to the Early Eocene.   Teeth from Aurora are primarily middle Miocene with the occasional early Pliocene tooth mixed in.  What you have is a posterior Odontaspis reticulata.  You were probably put off by the rugose basal enamel striations on the labial side where the enamel meets the root.  In my modern Carcharias jaws and my modern Odontaspis jaw, the posterior teeth have heavy basal rugose enamel striations even as the lateral and anterior teeth do not.