Fossil sea urchins from the closed limestone quarry in Lixhe Belgium. Between 66 and 72.1 million years old (Late Cretac...
Fossil sea urchins from the closed limestone quarry in Lixhe Belgium. Between 66 and 72.1 million years old (Late Cretac...
Fossil sea urchins from the closed limestone quarry in Lixhe Belgium. Between 66 and 72.1 million years old (Late Cretac...
Fossil sea urchins from the closed limestone quarry in Lixhe Belgium. Between 66 and 72.1 million years old (Late Cretac...
Fossil sea urchins from the closed limestone quarry in Lixhe Belgium. Between 66 and 72.1 million years old (Late Cretac...
Fossil sea urchins from the closed limestone quarry in Lixhe Belgium. Between 66 and 72.1 million years old (Late Cretac...
Fossil sea urchins from the closed limestone quarry in Lixhe Belgium. Between 66 and 72.1 million years old (Late Cretac...
Fossil sea urchins from the closed limestone quarry in Lixhe Belgium. Between 66 and 72.1 million years old (Late Cretac...
Fossil sea urchins from the closed limestone quarry in Lixhe Belgium. Between 66 and 72.1 million years old (Late Cretac...