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Aquatic animal fossil, Mesolimulus Walchi or Horseshoe Crab Fossil impint in stone isolated on a white background
Keichousaurus hui sauropterygian fossil from China
Fossilized fish
Closeup isolated trilobite fossil
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.
nothosaurus  fossil on white, isolated
Fossil crinoid close-up (Echinodermata). The Image shows the crown of the marine animal.
close up on Trilobite fossil isolated on white background
Millions of Years Old Bird Fossil
nature
Fossilised Fish
Pleurosaurus Goldfussi fossil, a cousin of the tuatara, related to lizards, from the late Jurassic. Isolated on white background.
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.
Fossilized footprint in stone of Trilobites, extinct big marine arthropods
Primitive Living Fossil
A fossil of a germanodactyl in a stone slab
elrathia Kingi trilobite fossil in gray shale matrix.
original Keichousaurus hui fossil from Guizhou Xingyi ,China isolated on white background
Fossilised Fish
Miocene fossil frog Rana pueyoi
Fossil vertebra from sandstone, Eocene era.
close up on fossil fish in the rock
Sea Urchin spine fossil.  The close-up image shows a  sea urchin fossil from the jurassic period inside a limestone.
Trilobite. 7 cm. Devonian of Morocco.
Rheum officinale, Chinese rhubarb, Rheum palmatum L.
Foosil Primitive Fish memre sp.
Marine life fossils.
Mesolimulus is an extinct genus of arthropod. The best known examples are found in Solnhofen limestone near Solnhofen, Bavaria, Germany. Originally assigned to the living genus Limulus, they are related to and look virtually identical to the modern horseshoe crab. Other species assigned to Mesolimulus have been recorded from Spain, Siberia and (questionably) from Lebanon.
elrathia Kingi trilobite fossil in gray shale matrix.
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