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fossil trilobite imprinted in the sediment
Sea Urchin spine fossil.  The close-up image shows a  sea urchin fossil from the jurassic period inside a limestone.
Ammonoids are a group of extinct marine mollusc animals in the subclass Ammonoidea of the class Cephalopoda. These molluscs are commonly referred as ammonites
Fossilized fish
Detail of a fossil Ichthyosaurus.
Archaeopteryx marble imprint, fossilized imprint, imprint transitional form (mosaic form), of a theropod dinosaur. Replica of a lime-impression (limestone slab) from the Jurassic about 150 million years old.
Ancient fish fossils are on a rock
Knightia alta is an extinct genus of fish well-known from abundant fossils found in the Green River Formation of Wyoming, United States. They rarely exceeded 10 cm in length and are found throughout the formation. Knightia alta, Eocene Epoch, Green River Shale. Fossil.
Fossil of ancient reptile in the rock
Fossilised Fish
Fossilized prehistoric animal - reptile fossil in rock
Calmitacea inside a peace of stone. The fossil was growing in the Carboniferous Period (around 360 to 300 million years ago).
A fossil of a germanodactyl in a stone slab
Primitive fish fossil
Close-up shot of a prehistoric creature.
Rheum officinale, Chinese rhubarb, Rheum palmatum L.
nature
Fossilised Fish
fossile Schnecke
Ammomite (Ammomoideae) fossil imprint on a limestone. The image was captured in the canton of schaffhausen during springtime.
Natural material, such as a large stone with the imprint of a prehistoric creature, allowing the study of natural diversity during the dinosaur period and earlie
The three sections of the Taung Child Skull as reconstructed by Raymond Dart. In 1924 miners at the Buxton Quarry near Taung in South Africa's North West Province discovered a fossil that was later identified by Dart as an Australopithecus africanus, the first discovery of its kind. His reconstruction consists of three separate parts: the mandible, the face, and an endocranial cast. Age: approximately 2,5 million years. Taung is part of the UNESCO Cradle of Humankind World Heritage Site.
Primitive Living Fossil
Trilobite fossil (Cheirurus ingricus) from the middle Ordovician peroid (488.3 – 443.7 million years ago) . This specimen was found in Russia
Marine life fossils.
Pinecone in a sandstone nodule 25-million-year-old
Scleractinian coral fossil on a Ammonite fossil. Both from the jurassic period found in the canton of Aargau.
illuminated from above fossil
Plant fossil from the Carboniferous, Germany, Saarland
Free Images: "bestof:Jimbacrinusbostocki.jpg en Jimbacrinus bostocki fossil from Australia on display at the San Diego County Fair California USA own Stickpen 2010-06-16 public"
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Young female mummy from near Lupo, Peruvian Andes, about 550 years old - San Diego Museum of Man - DSC06926.JPG
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