Notogoneus osculus and Diplomystus dentatus | 100% Natural | Green River Formation | Wyoming Marine Reptile We pride ourselves on delivering

We pride ourselves on delivering the highest quality specimens available

This is natural sandstone

The shell of this ammonite has been replaced by calcite

Brittleness: Breaks or shatters rather than bends

Beautiful and unique copper splash butterfly in our smaller size

Notogoneus osculus and Diplomystus dentatus | 100% Natural | Green River Formation | Wyoming Marine Reptile We pride ourselves on deliveringNotogoneus osculus and Diplomystus dentatus Unrestored specimen, 100% Natural Eocene (51. 98 Million Years Ago) Green River Formation, Wyoming, USA In Stone Fossils Private Quarry Plate approx. size: 29. 75" x 41. 75" Notogoneus approx. size: 22. 5" Diplomystus approx. size: 16. 5" **Due to the size of this specimen, it will be shipped in an internationally compliant wooden crate. The plate itself is backed with 3 4" plywood for durability and easy