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prehistoric under water life form
Fossils of marine life.Ammonite fossils
Microscopic photo of a thin section of calcareous tufa of Holocene age.
Ammomite (Ammomoideae) fossil imprint on a limestone. The image was captured in the canton of schaffhausen during springtime.
Explore fossil limestone slabs from Ruegen featuring petrified brachiopods, providing insights into ancient marine environments.
Photomicrograph of flatworm,
An eroding rock with fossil inclusions surrounded by beach rock swash deposits.  These types of rocks are fairly common to find on NW USA beaches for those with a keen eye.
Fossilized fish
close up on Trilobite fossil isolated on white background
blue mold close up background, macro photography
An elasmosaurus swims towards you in shallow seas.  This long necked plesiosaur was an aquatic reptile that lived in the ocean during the Cretaceous period. 3D Rendering
Calmitacea inside a peace of stone. The fossil was growing in the Carboniferous Period (around 360 to 300 million years ago).
Beautiful fossil of some sort of dinosaur reptile from Madagascar, isolated on a 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.
Leiden leaf c.s. under microscope
Salt formations on the stones of Garmasr salt cave in Iran
Isolated on black.
Ammonite Fossil preserved in the rocks mined from the reserve found in the Middle Atlas Mountains of Morocco
Epidermis. Electron microscope micrograph showing a keratinocyte of spinous layer. The epithelial cell has a polygonal shape, central nucleus with nucleolus, cytoplasm full of keratin filament bundles, and numerous dark desmosomes crossing the intercellular spaces.
Ammomite (Ammomoideae) fossil imprint on a limestone. The image was captured in the canton of schaffhausen during springtime.
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.
Solnhofen Limestone with Subplanites sp. Ammonite fossil
Fossilised Fish
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.
plant Flower bud of Lilium brownii var.viridulum T.S.\nunder light mircoscope with white background
Trilobite Paradoxides spiulosus
elrathia Kingi trilobite fossil in gray shale matrix.
isolated on black.
Marble texture abstract background in natural colors.
Free Images: "bestof:Walcott Cambrian Geology and Paleontology II plate 19.jpg Plate 19 Middle Cambrian Annulata Ottoia Hyolithes and Selkirkia 1 Ottoia prolifica <small>Walcott</..."
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