Episode 165: Ants Pt2
Palaeocast15 Heinä 2025

Episode 165: Ants Pt2

Ants are a hugely successful family of eusocial insects with over 14,000 modern species described. They are known from every continent except Antarctica and show a wide range of ecologies. Whilst many of us are familiar with their highly organised social structures and castes, there still remain a lot of public misconceptions about how their societies function.

The evolutionary history of ants is equally as impressive, with roughly as many fossil ant species known as there are of dinosaurs! Since their appearance in the Cretaceous, several early lineages of ants (stem ants) have gone extinct. In this episode, we're joined by Dr Christine Sosiak of the Okinawa Institute of Science and Technology as we explore what some of these stem ants were like and ask how the different groups of ants fared over geological time.

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Episode 176: Insect Gigantism Pt2

Episode 176: Insect Gigantism Pt2

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...

13 Touko 48min

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...

2 Touko 39min

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...

15 Huhti 58min

Episode 173: Petrified Forest

Episode 173: Petrified Forest

Petrified Forest National Park in northeastern Arizona, USA is a hub for Triassic palaeontology and has exposures representing 20 million years of the Late Triassic Chinle Formation. Visitors marvel a...

17 Maalis 49min

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...

5 Helmi 52min

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 ...

12 Joulu 20251h 34min

SVP 2025

SVP 2025

3 Joulu 202557min

Episode 170: Cariocecus bocagei

Episode 170: Cariocecus bocagei

The iguanodontians were an incredibly successful group within the Cretaceous. They could reach incredible sizes, with the largest species even matching the proportions of some sauropods, and they also...

19 Syys 20251h 50min

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