Fossils
(317 upcoming items)Fossils
Fossils have given valuable clues to Earth's past, making them great collectible items. Paleontologists and collectors worldwide are constantly seeking hidden treasures with a strong interest in dinosaurs and other fossil giants, making them collectibles of great value. In order to be qualified as a fossil, an object must be at least several thousand years old. However, the oldest fossils have been determined to be about three and a half billion years old. A fossil is created when a plant or animal that died millions of years ago leaves behind a skeleton, bones, or other organic matter. When these bones or organic materials disintegrate or fall apart over a long time, they sometimes get preserved in a stone or petrified into a hard substance, allowing people to find their impressions or remnants. A fossil can be anything, from a preserved footprint to arthropods, fish teeth, mollusks, animal teeth, dinosaur bones, and plant fossils. Fossils can be preserved in ice, river sediment, volcanic ash, tar, desert sandstone, globs of hardened tree sap etc. They are often categorized as body fossils, remains of plants and anima










![Spinosaurus Dinosaur Fossil Tooth: Cretaceous Period, circa 125-113 million years B.P. Showing some good enamel and root; restored. 41 grams, 84 mm (3 1/4 in.). [No Reserve] From Morocco, North Africa. From a Lincolnshire, UK, collecti](https://p1.liveauctioneers.com/1191/405225/225127644_1_x.jpg?height=280&quality=70&sharpen=true&version=1769779778&width=280)

![Cave Bear Fossil Upper Jaw Section: Pleistocene Period, circa 30,000 B.P. Upper mandible of the cave bear Ursus spelaeus with two large molar teeth in place. 128 grams, 18.5 cm (7 1/4 in.). [No Reserve] Acquired on the UK art market. Fr](https://p1.liveauctioneers.com/1191/405225/225127595_1_x.jpg?height=280&quality=70&sharpen=true&version=1769779778&width=280)

![Fossil Megalodon Shark Tooth: Pliocene Epoch, circa 5.6 million years B.P. A Carcharocles megalodon shark tooth, with serrations and polished tooth enamel. 65 grams total, 82 mm (3 1/4 in.). [No Reserve] From a Lincolnshire, UK, c](https://p1.liveauctioneers.com/1191/405225/225127615_1_x.jpg?height=280&quality=70&sharpen=true&version=1769779778&width=280)
![Mosasaur 'Marine Dinosaur' Fossil Tooth Pair: Cretaceous Period, circa 145-65 million years B.P. Comprising two teeth, both showing good enamel. 68 grams total, 47 mm each (1 7/8 in.). [2, No Reserve] From Morocco. From a Cambridgeshire, UK, coll](https://p1.liveauctioneers.com/1191/405225/225127568_1_x.jpg?height=280&quality=70&sharpen=true&version=1769779778&width=280)





![Group of Fossil Trilobites: Devonian Period, circa 417-354 million years B.P. Comprising five specimens on matrices. 245 grams total, 41-53 mm (1 5/8 - 2 in.). [5, No Reserve] Found Morocco, North Africa. Property of an Essex ga](https://p1.liveauctioneers.com/1191/405225/225127620_1_x.jpg?height=280&quality=70&sharpen=true&version=1769779778&width=280)

![Large Fossil Perisphinctes Ammonite: Jurassic Period, circa 174-145 million years B.P. Perisphinctids indogermanus fossil ammonite showing clear ribbing. 867 grams, 14 cm (5 1/2 in.). [No Reserve] From Madagascar. From a Lincolnshire, UK](https://p1.liveauctioneers.com/1191/405225/225127603_1_x.jpg?height=280&quality=70&sharpen=true&version=1769779778&width=280)



