Ilymatogyra Rams Horn Oyster - Fossil Quality:Staff Pick Many gemologists like using them

Many gemologists like using them to pick up the stones and look at

Quantity: 5pcs all same size (up to 6

Size approximately: 6

Length: 42mm  Shaft Thickness: 3

forms the hinge

Ilymatogyra Rams Horn Oyster - Fossil Quality:Staff Pick Many gemologists like using themMined from: Del Rio, Texas Era: Cretaceous 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: