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Isolated on white.
Ammonite fossils in limestone. The ammonites where living between 409 and 65 million years ago (Mya). The fossils where found in the canton of Aargau (Switzerland).
Fossil sea urchin in stone (Scutellidae) on the rocks of Gozo island, Malta
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.
Petrified fossil crinoids (sea lilies, featherstars) in stone
Fossilized fish
Ancient fish fossils are on a rock
Close-up photo of green mature leaves and red tiny new leaves on the branches of a young uncultivated Eucalyptus tree in the countryside near Mudgee, NSW in Summer. Soft focus wilderness background.
isolated on black.
Fossil Fern inside carbon rocks. The image was captured in the Swiss Alps.
Trilobite fossil on stone, prehistoric extinct animal lived in Cambrian and Silurian seas. Big trilobite fossil of prehistoric era and rock. Concept of paleontology, evolution and Paleozoic fossil.
Fossilised Fish
Beautiful fossil of some sort of dinosaur reptile from Madagascar, isolated on a white background
Fossil Devonian brachiopod isolated on white background.
Trilobites fossil from Middle Ordovician Era. Selective focus
Stone slab with many oceanic fossils. The town of Erfoud is recognized as a center for fossil collectors.  The area is surrounded by quarries of fossils.
Complete fish fossil embedded in lime stone
Magnified close up of shale with multiple trilobite fossils.
Dapalis Macrurus fish fossil from Aix-en-Provence, France
Ammonite inside a limestone rock. The ammonites where living between 409 and 65 million years ago (Mya). The image was captured in the canton of Aargau (Switzerland).
Fish fossil. Prehistoric fish in stone rock
A well-preserved petrified fossil of a prehistoric fish showcasing intricate details of the fishs skeletal structure, scales, and fins.
shark swimming in water
The fossil of a fish in grey slated stone
Limestone is chemically a calcium carbonate formed by accumulation of biogenic remains or precipitation from chemical solution. This limestone was probably formed ina lake environment when changes in the depositional condition resulted in formation of a carbonate ooze at the bottom of the lake that was later converted into limestone layers.
Fish fossil of the Knightia herring genus dating from the Eocene epoch.
Primitive fish fossil
Photo of Dinosauro Antonio, Tethyshadros insularis
Close-up of the head of a shark in captivity at an aquarium
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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