Mined from: Del Rio, Texas
Geological Age: 100-140mya
Description: This is a marine bivalve mollusk from Texas. They are small and delicate. These oysters lived during the Cretaceous period and lived in shallow coastal waters. They fed on food particles that were filtered out from the ocean water. Ilymatogyra Oysters had snail-like coiled shells which had much more of a spiral than oysters we see today.
Approximate Size of 1 piece: 27mm x 22mm x 14mm
Approximate Weight of 1 piece: 6g
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.