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化石,"Fossil". Fossils are the remains of ancient biological in the rock,the most common is the bones,shells,etc.Fossils allow us to reconstruct ancient ecology and,clearer fossil may provide a definitive answer. | eBay!

化石,"Fossil". Fossils are the remains of ancient biological in the rock,the most common is the bones,shells,etc.Fossils allow us to reconstruct ancient ecology and,clearer fossil may provide a definitive answer. | eBay!

The remains of trilobites, a diverse group of marine animals much older than dinosaurs, are remarkably well preserved, providing fresh insights of their anatomies and social behavior.  Trilobites may be the archetypal fossils, symbols of an archaic world long swept beneath the ruthless road grade...

When Trilobites Ruled the World

The remains of trilobites, a diverse group of marine animals much older than dinosaurs, are remarkably well preserved, providing fresh insights of their anatomies and social behavior. Trilobites may be the archetypal fossils, symbols of an archaic world long swept beneath the ruthless road grade...

American Museum of Natural History Trilobite from AMNh

American Museum of Natural History Trilobite from AMNh

trilobite fossils at the Ontario museum   https://sphotos-a.xx.fbcdn.net/hphotos-prn1/557146_428087123872935_175514110_n.jpg

trilobite fossils at the Ontario museum https://sphotos-a.xx.fbcdn.net/hphotos-prn1/557146_428087123872935_175514110_n.jpg

Stenopterygius was physically similar to the better known Ichthyosaurus, but had a smaller skull and narrower flippers. Beautifully preserved fossils of Stenopterygius have been found in Germany.Its skull was extended into a kind of a beak and was armed with a quantity of large teeth. The limbs had been transformed to fin-like structures. The tail terminated in a large, semicircular, leathery, vertical caudal fin and even a triangular dorsal fin was present

Stenopterygius was physically similar to the better known Ichthyosaurus, but had a smaller skull and narrower flippers. Beautifully preserved fossils of Stenopterygius have been found in Germany.Its skull was extended into a kind of a beak and was armed with a quantity of large teeth. The limbs had been transformed to fin-like structures. The tail terminated in a large, semicircular, leathery, vertical caudal fin and even a triangular dorsal fin was present

In the summer of 1998, Russian scientists who were investigating the remains of a meteorite 300 km southwest of Moscow discovered a piece of rock which enclosed an iron screw. Geologists estimate that the age of the rock is 300-320 million years. At that time, not only were there no intelligent life forms on earth, there weren't even dinosaurs. Scientists initially thought that the screw was in a farm machine. But the screw was firmly fixed in the rock.

In the summer of 1998, Russian scientists who were investigating the remains of a meteorite 300 km southwest of Moscow discovered a piece of rock which enclosed an iron screw. Geologists estimate that the age of the rock is 300-320 million years. At that time, not only were there no intelligent life forms on earth, there weren't even dinosaurs. Scientists initially thought that the screw was in a farm machine. But the screw was firmly fixed in the rock.

Marrella splendens is a primitive fossil arthropod that could have given rise to any of the three great aquatic arthropod groups: crustaceans (like shrimp, crab, lobster, and believe it or not barnacles!); chelicerates (like scorpions and spiders); or trilobites. Marrella, called the “lace crab” by Walcott, is the most abundant of all Burgess Shale animals

Marrella splendens is a primitive fossil arthropod that could have given rise to any of the three great aquatic arthropod groups: crustaceans (like shrimp, crab, lobster, and believe it or not barnacles!); chelicerates (like scorpions and spiders); or trilobites. Marrella, called the “lace crab” by Walcott, is the most abundant of all Burgess Shale animals

1888 Antique Paleontology Lithograph of Trilobites and Other Fossils.

1888 Antique Paleontology Lithograph of Trilobites and Other Fossils. Plate 8A

1888 Antique Paleontology Lithograph of Trilobites and Other Fossils.

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