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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).
Fossil shells and other marine animals
Fossil scallop shells from rocks on Gozo island, Malta
A group of fossil ammonites in a slab of rock
The stalactites are in wooden trays in an exhibition hall
Photomicrograph of planaria, a flatworm, Dugesia species. Slight motion blur in head. Freshwater stream, San Luis Obispo, California. Live specimen. Wet mount, 2.5X objective, transmitted brightfield illumination.
Old stones background. imprint of an ancient ammonite from the Mesozoic era.
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.
isolated on black.
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).
Taken with Nikon D5600 by the shores of Canyon Lake in Canyon Lake, Texas. These mussels are spreading throughout the United States as a result of people not washing off their boats when using in a lake that is infested with them and then taking the unwashed boat to another lake that had no mussels. They are a real threat to native fish and water birds.
Abruzzo, Italy: fossil shells enclosed in the sedimentary rocks of a mountain river in the Gran Sasso Monti della Laga National Park, sign that the mountain range was once submerged
Beautiful fossil of some sort of dinosaur reptile from Madagascar, isolated on a white background
Salt formations on the stones of Garmasr salt cave in Iran
Ancient fish fossils are on a rock
The peacock flounder (Bothus mancus), also known as the flowery flounder, is a species of fish in the family Bothidae (lefteye flounders). The species is found widely in relatively shallow waters in the Indo-Pacific, also ranging into warmer parts of the east Pacific. Maui Island,
prehistoric under water life form
Shell series: sea shells in various colors
amazing inhabitants of the microworld under a microscope
Ammomite (Ammomoideae) fossil imprint on a limestone. The image was captured in the canton of schaffhausen during springtime.
Fossil of a large shell in yellow-red limestone. Coast of Algarve, Portugal
Prehistoric fish fossil impint in stone isolated on a white background
Close-up of dried leaf on wet rock, Venezuela
Explore fossil limestone slabs from Ruegen featuring petrified brachiopods, providing insights into ancient marine environments.
Ammonite Fossil preserved in the rocks mined from the reserve found in the Middle Atlas Mountains of Morocco
Isolated on white.
Sea Urchin Fossil.  The close-up image shows a  sea urchin fossil from the jurassic period on white background.
Fossil of a horseshoe crab, Mesolimulus walchii.
Fossilised Fish
Free Images: "bestof:Fossil-bivalve.jpg en Fossil bivalve impression from the Paleogene of Chubut Argentina Impresión de bivalvo - Puerto Madryn Chubut - Formación Gaiman"
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