Field Notes

Megalodon Open Ocean paleo-art t-shirt, Plate 150
How Big Was Megalodon? What Its Teeth Can (and Can't) Tell Us
Megalodon is known almost entirely from teeth. Here is how scientists estimate its size, why the numbers keep changing, and what we know about how it lived. Read more...
Feathered Velociraptor paleo-art t-shirt, Plate 005 Gobi Dawn
The Real Velociraptor: Smaller, Feathered and Nothing Like the Movies
Velociraptor was about the size of a coyote, wore feathers and hunted in the Gobi desert. So where did the movie raptor come from? Read more...
Scientifically accurate Tyrannosaurus rex paleo-art t-shirt by PaleoThreads
Did T. rex Have Feathers? What the Fossils Actually Show
Feathered or scaly? The answer depends on which tyrannosaur you ask, and the fossil skin of T. rex itself tells a surprising story. Read more...