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close up on Trilobite fossil isolated on white background
Devil's tower national monument in northeast Wyoming with copyspace and Bales of hay align in fields pointing way to Devil's Tower in Wyoming - site of Close Encounters of the Third Kind.
trilobite fossil texture as very nice natural background
Bear Lodge Through the Trees
Summer scenery at Theodore Roosevelt National Park, North Dakota, USA
Leiden leaf c.s. under microscope
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).
Scenic detail from Red River Gorge in the Daniel Boone National Forest.
Panorama from Homestead Overlook, Badlands National Park, South Dakota, USA showing the badlands transitioning into mixed grass prairie.
Theodore Roosevelt National Park takes on a different look in the autumn as the fall colors come out in an inspiring display of nature
Huge sandstone formations in Garden of the Gods of the Pikes Peak forest in Colorado Springs of western USA in North America.
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Autumn scenery at Black Canyon of the Gunnison National Park, Colorado, USA
Trilobite Dalmanites sp. 400 million years ago
Magnified close up of shale with multiple trilobite fossils.
Trilobite Paradoxides spiulosus
Chiton, Tripoplax regularis. on a rock at Salt Point State Park in Sonoma County, California.
Pic Saint Loup, Languedoc Roussillon- Occitanie region in France- Herault
Bivalvia Fossils inside a large Ammonit. Gastropods from the jurassic period.
Sample of biotite Schist, from the shear zone in the Beitbridge Complex in South Africa. Schist is metamorphic rock caused by pressure during medium grade metamorphism.
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.
Ancient fish fossils are on a rock
Ancient rock art incised in a sandstone boulder.
Porous coral sea stone, pebble isolated on a white background.
Summer scenery at Theodore Roosevelt National Park, North Dakota, USA
macro of fossilized sea lilly on dark slate rock
Calmitacea inside a peace of stone. The fossil was growing in the Carboniferous Period (around 360 to 300 million years ago).
Trilobite Cornuproetus sp. from the Devonian of Morocco. 5 cm.
Nature Photos of the “flat” top of  Table Mountain - Cape Town, Western Cape
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