Dinosaur Era Huge Fossil Sand Dollar from the Jurassic of Madagascar 3.6 Inches for Sale

Dinosaur Era Huge Fossil Sand Dollar from the Jurassic of Madagascar 3.6 Inches For Sale

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Dinosaur Era Huge Fossil Sand Dollar from the Jurassic of Madagascar 3.6 Inches:
$19.99

Hi all!

This is a huge fossil Polished Echinoid (Mepygurus marmonti) from the Jurassic of Madagascar! Echinoids, aka sea urchins, are small filter feeding echinoderms (the group that includes starfish and crinoids) that are covered in spines and live on the sea floor. This species is often called a sand dollar even though true sand dollars didn't appear in the fossil record until about 100 million years later. One side has been polished to show detail! It measures 3.616 inches across and about .8 inches thick!

All of my items come with a Certificate of Authenticity! If I have a fossil or mineral listed up as something, I make darn well sure that's what it is!
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Thank you for reading please contact me with any questions.

Have a wonderful day!

Jako