The spinosaurs get all the love (OK, mostly hate) and attention when it comes to the megalosauroids, but they are but one weird branch of this group of theropods. Sadly they have a similar problem to the spinosaurs in that there are annoyingly few fossils of them, and there's very few people working on these animals. Happily, today Iszi and Dave are joined by one of them, Cass Morrison who is doing his PhD on these unusual animals and is here to give us the lowdown on their evolution, diversity, biogeography and ecology and generally fill us in on these much under-appreciated animals.

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Apiece with Cass about his work on dinosaur brains: https://www.nhm.ac.uk/discover/behind-the-science-cassius-morrison.html

Find Cass on Twitter https://x.com/casscretaceous and Instagram https://www.instagram.com/cretaceous.cass/?hl=en-gb