Episode 89: Teeth and herbivory in reptiles
Palaeocast17 Huhti 2018

Episode 89: Teeth and herbivory in reptiles

Tooth shape and arrangement is strongly linked with diet, and palaeontologists often use teeth to determine what kind of food an animal may have been eating. Carnivorous teeth are generally more simple, while herbivorous teeth are more complicated. We know that herbivory evolved later, but how did the dentition of herbivores evolve? What kind of variation exists in herbivorous dentition?

In this episode, we speak with Dr Aaron LeBlanc, a Killam Postdoctoral Fellow at the University of Alberta. His research focuses on the evolution and development of teeth in amniotes, including some of his PhD work on the development of the dental system in herbivores, which we discuss in detail here, as well as the evolution of the mammalian system, which earned him the Alfred S. Romer Student Prize at last year's SVP in Calgary.

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Episode 176: Insect Gigantism Pt2

Episode 176: Insect Gigantism Pt2

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Episode 175: Insect Gigantism Pt1

Episode 175: Insect Gigantism Pt1

The Carboniferous period is host to some of the largest arthropods to have ever lived. Giant taxa such as the griffenfly Meganuera and the millipede Arthropleura are almost talismanic and are often de...

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Episode 174: A History of Dinosaurs in 50 Fossils

Episode 174: A History of Dinosaurs in 50 Fossils

Prof. Paul Barrett of the Natural History Museum, London, recently authored A History of Dinosaurs in 50 Fossils. We took this as an opportunity to get an overview of what we really know about dinosau...

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Episode 173: Petrified Forest

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Episode 172: Rhynchocephalians

Episode 172: Rhynchocephalians

Today, there is only one living species of rhynchocephalian: the tuatara of Aotearoa/New Zealand. Despite today's paucity of species, this was once a diverse group of reptiles, with a wide range of li...

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Episode 171: Freshwater Mosasaurs

Episode 171: Freshwater Mosasaurs

We've been given exclusive access to a brand new study examining the chemistry of a mosasaur tooth found within the Late Cretaceous Hell Creek Formation, North Dakota. The remarkable circumstances of ...

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SVP 2025

SVP 2025

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Episode 170: Cariocecus bocagei

Episode 170: Cariocecus bocagei

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