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Leiden leaf c.s. under microscope
blue mold close up background, macro photography
Microscopic photo of a thin section of calcareous tufa of Holocene age.
trilobite fossils on white isolated background.
Explore fossil limestone slabs from Ruegen featuring petrified brachiopods, providing insights into ancient marine environments.
Photomicrograph of flatworm,
The stalactites are in wooden trays in an exhibition hall
Ammomite (Ammomoideae) fossil imprint on a limestone. The image was captured in the canton of schaffhausen during springtime.
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.
Fossils of marine life.Ammonite fossils
prehistoric under water life form
plant Flower bud of Lilium brownii var.viridulum T.S.\nunder light mircoscope with white background
Stones the structure of the nature background, gray texture. Iron mine, natural texture of volcanic stone
Salt formations on the stones of Garmasr salt cave in Iran
Fossil Oyster
Calmitacea inside a peace of stone. The fossil was growing in the Carboniferous Period (around 360 to 300 million years ago).
isolated on black.
Twisted rock strata
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
Aerial view of loyster farm by Ardara, County Donegal - Ireland.
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.
close up on Trilobite fossil isolated on white background
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).
Prehistoric fish fossil impint in stone isolated on a white background
Ammonite Fossil preserved in the rocks mined from the reserve found in the Middle Atlas Mountains of Morocco
four Fossils Specimens  : Practical Specimens for Study of Earth Science / Isolated white
Fossilised Fish
Beautiful fossil of some sort of dinosaur reptile from Madagascar, isolated on a white background
elrathia Kingi trilobite fossil in gray shale matrix.
Free Images: "bestof:Walcott Cambrian Geology and Paleontology II plate 05.jpg Plate 5 Middle Cambrian Merostomata Sidneyia and Amiella 1 Sidneyia inexpectans <small> Walcott </..."
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