Anteosaurus t-shirt Argentoconodon the discovery of Deinonychus challenged

the discovery of Deinonychus challenged the notion that dinosaurs were sluggish giants

This iconic dinosaur is famous for its frills and horns

It features the very weird therapsid Estemmenosuchus

99 28 Length

lending its name to the order

Anteosaurus t-shirt Argentoconodon the discovery of Deinonychus challengedAnteosaurus was a large predatory dinocephalian. It was perhaps the biggest carnivorous non mammalian synapsid. Design by Greco Westermann 100% combed and ring spun cotton (Heather colors contain polyester) Fabric weight: 4. 2 oz yd (142 g m) Pre shrunk fabric Side seamed construction Shoulder to shoulder taping Blank product sourced from Guatemala, Nicaragua, Mexico, Honduras, or the US