It’s as easy as A, B, Sea: T for Trilobite

Trilobites are not an opportunity to taste test three different bites of food. They are an extinct marine arthropod, that looked like a squashed centipede, dating back to the Cambrian period. They’re quite significant because paleontologists use them as an index fossil for dating back other rock structures.

Image (c) smithsonianmag.com

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