Creepy & Crawly Critters:  A Multitude of Mollusks

Mollusks are among the oldest living organisms, their fossils dating back 600 million years.
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And to this day, wherever there’s water — fresh or salty — you’ll find at least one of these fascinating Invertebrates. The second largest group in the Animal Kingdom, they come in a wide variety of sizes, shapes, and surroundings, from high-mountain Snail to deep-ocean Squid.