4" Knightia eocaena | 100% Natural | Green River Formation | Wyoming starfish For Ammonite to become an

For Ammonite to become an ammolite gemstone it has to be buried quickly

probably killed them off

The painstaking process of extracting and preparing the fossil from the thick

marking the end of the Cretaceous Period

Its name means “sword ray

4" Knightia eocaena | 100% Natural | Green River Formation | Wyoming starfish For Ammonite to become anKnightia eocaena Eocene (51. 98 Million Years Ago) Private Quarry, Green River Formation, Wyoming, USA Preparation by Carl Ulrich Obtained from the collection of Dr. William Rieger Plate approx. size: 10. 25" x 8. 75" Fish approx. size: 4" Knightia is an extinct genus of clupeid bony fish that lived in the freshwater lakes and rivers of North America and Asia during the Eocene epoch. The genus was erected by David Starr Jordan in 1907, in honor of the