550-million-year-old fossil. Tribolite found in Colorado

550-million-year-old fossil. Tribolite found in Colorado. In very good original as found condition. Great quality & detail. 1 ½ inches x 7/8

RARE BUG / BEETLE / FLY FOSSIL IN MATRIX FROM COLORADO, ARTHRODPOD, 30 MILLION YEAR OLD INSECT!

Lot of 2 Early Fossilized Stones. These 2 Black Fossils are 300 Million Year Old Orthoceras, Early Squid.Condition: Generally Good, As Found.Dimensions: Tallest 9.5" x 3.5" x 2.5".Provenance: From a N

Partial manatee rib totally mineralized -about 3-5 million years old - approx. 10 x 2 inches - found off the coast of S. Carolina. -about 9 inches long

Ammonite in matrix as found- opalized chocolate tone 250-500 million years old -about 1 1/2 x 1 inch large specimen in matrix- other ammonites in same matrix as well.

Turtle fossil head massive mineralized millions of years old in matrix as found - 6 1/2 x 8 1/2 x 4 1/2 inches

Lower Cretaceous Period, 110 million years BP. A fossil cricket, Gryllidae sp. found in the world-famous Crato Formation, near Ceara, Brazil on matrix. 127 grams, 8.5cm (3 1/2"). From an old Lincolnsh

Middle Jurassic Period, 165 million years BP. A group of three Parkinsonia sp. ammonites found at Sengenthal, Bavaria, Germany. 255 grams total, 60mm (2 1/2"). From an old Bristol paleontological coll

LOT OF 5 NICE KNIGHTIA FISH FOSSIL FROM WYOMING, 33-56 MILLION YEAR OLD FOSSIL!

NICE SAND DOLLAR / STARFISH / SEA URCHIN FOSSIL FROM MADAGASCAR, 200 MILLION YEAR OLD FOSSILS

NICE SAND DOLLAR / STARFISH / SEA URCHIN FOSSIL FROM MADAGASCAR, 200 MILLION YEAR OLD FOSSILS

NICE KNIGHTIA FISH FOSSIL FROM WYOMING, 33-56 MILLION YEAR OLD FOSSIL!

GREAT LOT OF DESERT ROSE GYPSUM FOSSILS, GREAT EXAMPLES, 250 MILLION YEAR OLD FOSSILS!

INCREDIBLE 8 1/4" X 6 3/16" LARGE FOSSIL FISH PRISCACARA FROM THE GREEN RIVER FORMATION IN WYOMING, 50 MILLION YEAR OLD FOSSILS

NICE DETAILED FISH FOSSIL (DIPLOMYSTUS) FROM THE GREEN RIVER FORMATION IN WYOMING, 50 MILLION YEAR OLD FOSSILS!

AMAZING TRILOBITE FOSSIL, VERY WELL PRESERVED AND HIGHLY DETAILED EXAMPLE, 300-500 MILLION YEAR OLD FOSSILS!

NICE DETAILED FISH FOSSIL (DIPLOMYSTUS) FROM THE GREEN RIVER FORMATION IN WYOMING, 50 MILLION YEAR OLD FOSSILS!

8" INCREDIBLE LARGE FISH FOSSIL (DIPLOMYSTUS) FROM THE GREEN RIVER FORMATION IN WYOMING, 50 MILLION YEAR OLD FOSSILS!

INCREDIBLE SHRIMP FOSSIL (BECHLEJA ROSTRATA) FROM THE GREEN RIVER FORMATION IN WYOMING, 50 MILLION YEAR OLD FOSSILS

INCREDIBLE SHRIMP FOSSIL (BECHLEJA ROSTRATA) FROM THE GREEN RIVER FORMATION IN WYOMING, 50 MILLION YEAR OLD FOSSILS

AMAZING TRILOBITE IN MATRIX, VERY WELL PRESERVED & HIGHLY DETAILED EXAMPLE, 300-500 MILLION YEAR OLD FOSSIL

AMAZING TRILOBITE FOSSIL, VERY WELL PRESERVED & HIGHLY DETAILED EXAMPLE, 300-500 MILLION YEAR OLD FOSSIL

Agonieties sp., Orthoceras sp.DevonianMorocco This pair of 350 million year old fossils comes from the abundant deposits of Saharan Morocco. Instead of being highly polished, however, as most specimen

Pfalz, Germany, Permian (280 million years old); Fossil amphibian (Sclerocephalus Haeuseri) on thin matrix. Greatest length: 15 1/8" (38.6cm)