4.1 In Knightia Eocaena Fossil Fish Green River Formation Wy Eocene Free Stand

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Verkäufer: fossilagemineral (10,343) 100%, Artikelstandort: Post Falls, Idaho, Versand nach: Worldwide, Artikelnummer: 162939720104 4.1 IN KNIGHTIA EOCAENA FOSSIL FISH GREEN RIVER FORMATION WY EOCENE FREE STAND From: Kemmerer, Wyoming Weight: 13.8 Ounces Dimensions 6 Inches Long & 4 Inches Wide, & 0.5 Inches Thick (Plate) Fish is 4.1 Inches Long & 1.4 Inches Wide Comes with free stand. The item pictured is the one you will receive. This is a genuine fossil, not a replica. 50 million years old Eocene age Knightia Eocaena is the most common fish in Fossil Lake and may be the most common articulated vertebrate fossil in the world. It is Wyoming's State Fossil. Length: up to 25 cm (10 in). Fifty million years ago ancient Fossil Lake existed in what is now southwest Wyoming. Of its estimated maximum extent of 930 square miles, approximately 500 square miles of sediment remains. The 230 square miles across the center of the ancient lake-bed contain exceptionally fossiliferous sediments and associated geologic features including deltas, beaches, springs, and rocks from the center and nearshore environments. The unusual chemistry of fossil lake prevented decay and scavenging of dead organisms while millimeter-thick layers of alternating limestone matter slowly accumulated. The result is laminated limestones that contained the highest concentration of fossil fish in the world. These fish, other aquatic organisms, and associated geologic features make Fossil Lake the world's best Paleogene record of the freshwater lake ecosystem. Since the discovery in the 1870's, many perfectly preserved fossil fish have been recovered. Preserved with the fish in the laminated limestone is a complete aquatic ecosystem: cyanobacteria, plants, insects, crustaceans (shrimp, crawfish, and ostracods), amphibians (frog and primitive salamander), alligators, turtles, birds, and mammals, including the oldest pantolestid (otter-like animal). The subtropical terrestrial ecosystem surrounding the lake is also represented by rare fossils, including a horse, two snakes, lizards, two bat species, birds, apatemyid (an arboreal insectivore), miacad (primitive carnivore), insects, and more than 325 types of leaves, seeds, and flowers. Shipping Payments Terms of Sale Contact Us We offer combined discounted shipping on purchases made the same day. If your using PayPal payment we only ship to the shipping address specified on PayPal. Most orders are shipped with the United States Postal Services with tracking. All shipments will be shipped within 24 hours except Sundays Signatures are required on all purchases over $100 USD All payments must be made within 72 hours of placing your order. UNCONDITIONAL RETURN POLICY At Fossil Age Minerals, customer service and satisfaction are our highest priorities. Because your positive buying experience is very important to us, Fossil Age Minerals has an Unconditional return policy if: 1. All returns must be in their original state. 2. All return requests are made within 30 Calendar days of receipt of merchandise. You can contact us between the hour of 9:00AM - 8:00PM Central time Mon - Fri. We are closed on weekends and holidays. Condition: Weight: 13.8 Ounces Dimensions 6 Inches Long & 4 Inches Wide, & 0.5 Inches Thick (Plate) Fish is 4.1 Inches Long & 1.4 Inches Wide Comes with free stand., Country/Region of Manufacture: United States

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