Dimetrodon was a predatory non-mammalian synapsid from the early Permian, and definitely not a dinosaur. 252mya.com/dimetro Art by @GrecoWestermann

Get this cute depiction of the North American ceratopsian on a mug to cheer up your mornings! 252mya.com/chasmo Art by Twarda🌸

In love with the Cenozoic Era? This set of pins is for you! Show your love for any of the five first periods of the age of mammals. 252mya.com/left3 Art by @anatotitan

In love with the Mesozoic Era? This set of pins is for you! It includes a Permian pin as well, because why not? 252mya.com/left2 Art by @anatotitan

After seven awesome years, we are thrilled to announce our fresh new look and enhanced shopping experience! Hope you enjoy our new website and new logo. 252mya.com #fossils #paleontology

This Cretaceous time capsule features two tuneful pterosaurs, a trekking Triceratops, a trilling Tyrannosaurus, a peacocking Pachycephalosaurus and an awfully unalive Archaeopteryx. 252mya.com/cretarama Art by @Tritrichoupi #fossils #paleontology

During the Cambrian, life exploded into all sorts of new and weird forms.This all-over-print sweatshirt features more than 20 of your favorite Cambrian creatures in a shale-inspired pattern. 252mya.com/cambrian Art by soft biology by Caroline Fleet #fossils #paleontology

Spread the news! 252MYA has a new logo and you can help show it off by wearing this comfy t-shirt. 252mya.com/logo #fossils #paleontology

Based on fossil discoveries, it is now accepted that the "tyrant lizard king" from the Cretaceous of North America was clad in at least some feathers. Decorate your home with this colorful framed print. 252mya.com/trex Art by franz (not here) #fossils #paleontology

This poster isn't just an alphabet, it's a time-traveling tongue-twisting Mesozoic adventure that educates and entertains, perfect for classrooms, kids' rooms, or any space in need of a prehistoric pick-me-up. 252mya.com/alpha Art by @Tritrichoupi #fossils #paleontology

If you have a discerning nerd in your life, we are looking out for you this holiday season! We have curated some of our most recent gifts as well as our most popular items through the years. 252mya.com/gift-guide #giftguide #paleontology

The holidays are rapidly approaching and we want your loved ones to get their gifts on time. Each product page has a list of order deadlines for Christmas to help you make sure you're on track. Order early, order now! 252mya.com/deadlines #holidayshopping #christmasgiftideas

Land masses at the end of the Cretaceous were beginning to look familiar but were inhabited by now-extinct beasts. Decorate your room with this illustrated map of odd creatures from a bygone era. 252mya.com/lcmap Art by @Tritrichoupi #fossils #paleontology

Cyber Weekend is upon us again! Place an order $25 or more Friday to Monday and get free random stickers. One per person per order per day. 252mya.com/bfcm #fossils #paleontology

Pangaea assemble! This large poster features Pangaea and a sample of some of the unique critters that called Earth home during the extreme climate conditions of the Late Permian. 252mya.com/permap Art by @Tritrichoupi #fossils #paleontology

New giant tortoise! Recently discovered Chelonoidis pucara is our first giant tortoise from mainland South America and has been added to our map poster. 252mya.com/tortoise Art by Joschua Knüppe #fossils #paleontology

Frill out with your homies! Add this funky fresh collection of ceratopsian pixel art to any wall for that extra hornamentation. https://252mya/pixelatops Art by @Tritrichoupi #fossils #paleontology

What might Tyrannosaurus be chasing? Probably your armpit. Get this rawring t-shirt in your size and favorite color. 252mya.com/trexbound Art by @NathanERogers #fossils #paleontology