Pachycephalosaurus, the Thick-Headed Lizard

(image source: https://images.dinosaurpictures.org/pachycephalosaurus_l_c101.jpg)

Host Matthew Donald and guest co-host Lawrence Mack discuss Pachycephalosaurus, the cueball-headed lizard that had a thick skull and a bad attitude; cue the stock joke of comparing it to some people you know. From the Late Cretaceous, this 15-foot herbivore apparently grew up with big spikes around its head that it somehow lost as it matured, according to Jack Horner. But what does he know? More than us, probably.

Also, you can purchase Matthew Donald's dinosaur book "Megazoic" on Amazon by clicking here, its sequel "Megazoic: The Primeval Power" by clicking here, its third installment "Megazoic: The Hunted Ones" by clicking here, or its final installment "Megazoic: An Era's End" by clicking here. 

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