Era: Late Cambrian Period
Geographic Age: 541 - 485.4 mya
Description: The oldest Gastropods (Snail/ Slug Shell) are over 500 million years old and with more than 65,000 unique animal species. Gastropods are one of the few animals that have succeeded in salty oceans, continental fresh water and on land, however, their staying power hasn't moved them up the food chain.
Approximate size for 1 piece: 40mm x 25mm x 25mm
Approximate weight for 1 piece: 12g
We do our best to buy quality products- although not every rock is the same. If you choose to purchase the "staff pick option", we will select the best of the batch for you. Otherwise, it will be at random from the larger batch we have in stock.