I Left My Heart in the Ordovician t-shirt Queer Estemmenosuchus was a large therapsid

Estemmenosuchus was a large therapsid from the Permian Period of the Ural region of Russia

Design by Franco Tempesta

The earliest known coral reef fossils include some pretty crazy-looking fish

was likely used for combat with its own species

I Left My Heart in the Ordovician t-shirt Queer Estemmenosuchus was a large therapsidYou loved this time period so much that you just went and left your heart in it. Orthoceras decorates this genderless t shirt that shows your intense love for the Ordovician Period. Illustration by David Orr Retail fit 100% Soft cotton (fibre content may vary for different colors) Light fabric (4. 2 oz yd (142 g m)) Tear away label Runs true to size XS S M L XL 2XL 3XL Width, in 16. 5 18 20 22. 01 24. 02 25. 99 28 Length, in 27. 01 28 29. 02 30 31. 03