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Daunting Dentitions: three new Oligocene dolphins and the oddities of their teeth and morphology

A seminar by Amber Coste – Geology Department, University of Otago The New Zealand fossil record includes 3 named dolphin species with procumbent teeth (one Waipatia and two Otekaikea). Three new species, based on specimens OU 22397, OU 22126 and OU 22262, also carrying tusk-like teeth, have been studied and described. These dolphins are from the Kokoamu Greensand and Otekaike Limestone (Chattian, ~26 Ma, to basal Aquitanian, ~23 Ma), of the Waitaki region.

The unique features of their anatomy are presented, including a detailed look at the function and use of their teeth, their skulls, their jaws and post-cranial material.

Key topics: fossil dolphin; New Zealand fossil record; functional anatomy; procumbent teeth

You can view our seminar schedule on the Geology website’s events page, or subscribe to the calendar here.

The talk will also be available live via Zoom at the following link:

Date Wednesday, 31 March 2021
Time 1:00pm - 1:50pm
Audience All University,Public,Undergraduate students,Postgraduate students,Staff,Alumni
Event Type Departmental Seminar
LocationBenson Common Room (Gn9), Geology Building, University of Otago, Dunedin
Contact NameGeology Office

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