Stemcell Science Shop
Plesiosaurus Enamel Pin (Plesiosaurus dolichodeirus)
Plesiosaurus Enamel Pin (Plesiosaurus dolichodeirus)
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If any fossil creature deserves credit for kickstarting lake monster myths, it’s Plesiosaurus dolichodeirus. First described in 1824, this Early Jurassic marine reptile wasn’t a dinosaur, but a sleek predator of shallow seas. With a neck longer than its body, a compact torso, and four powerful flippers, it swam like an underwater penguin armed with a periscope. Growing up to 3.5 meters long, it likely hunted schools of fish and squid while giving paleontologists (and cryptid hunters) endless material. This hard enamel pin captures its iconic silhouette in polished metal and enamel—no fossil quarry or trip to Loch Ness required.
Specs:
- Premium metal base with polished hard enamel fill
- Secure clasp so your plesiosaur doesn’t “slip beneath the waves”
- Size: 37 x 29mm
- Zero chance of photobombing your lake vacation
Perfect for marine reptile fans, cryptid enthusiasts, and anyone who loves when science and myth blur together in style.
Shipping
Shipping
USA DOMESTIC SHIPPING
We offer standard shipping (5–9 business days) on all U.S. orders.
CANADIAN SHIPPING
Orders within Canada typically arrive within 3–7 business days. Please note that depending on the product or supplier, customs or duties may apply.
INTERNATIONAL SHIPPING
We offer standard international shipping (2–6 weeks). Import duties, taxes, and charges are not included in the item price or shipping cost. These charges are the buyer's responsibility and may vary by country.
Hassle-Free Returns
Hassle-Free Returns
We hope you love what you ordered! If something isn’t quite right, whether it’s the size, color, or simply not what you expected, feel free to reach out.
Returns and exchanges are handled according to our policy, which may vary depending on the product. You can review all the details here.
If you have any concerns or would like to discuss an exchange, don’t hesitate to contact us, we’re happy to help.
Our goal is complete customer satisfaction.


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OSADIA is a Spanish word that means "audacity." We believe this word reflects the unique journey and stories behind our products, those stories are all about hard work, courage and resilience. In Osadía you will find unique fair trade, handmade & socially responsible products, every product is empowering artisans, small businesses and vulnerable communities around the world.