Allosaurus Fossil Step T-Shirt forest ecology design including a Tyrannosaurus rex and

including a Tyrannosaurus rex and ceratopsian relatives

an iconic marine arthropod from the Cambrian Period

The simple black-on-white artwork evokes vintage field guide illustrations while representing species from the Late Jurassic through the Late Cretaceous

etched look that blends humor with paleontological flair

surrounded by sponges and reef structures from over 500 million years ago

Allosaurus Fossil Step T-Shirt forest ecology design including a Tyrannosaurus rex andArtist: farkas. art From the Artist: Its name means "Different Lizard", and it refers to its unique concave vertebrae, which were different from other dinosaurs known at the time of its discovery in 1877.