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Seymouria baylorensis - articifial cast of fossil Early Permian period. Seymouria was a carnivorous, about one meter long amphibian, some of whose adaptations resembled reptiles
A young woman admires amazing and ancient petroglyphs known as the \
A garden banden snail (Cepaea hortesis) in close-up on a stone in the morning sunlight.
Pronghorn or antelope standing, close up on hill in the Yellowstone Ecosystem of western USA, North America. Nearest cities are Denver, Colorado, Salt Lake City, Cody, Jackson, Wyoming, Gardiner, Cooke City, West Yellowstone, Bozeman and Billings, Montana.
...an old Spanish coin, a means of payment from the Iberian Peninsula made of metal
prismatic quartz mineral clusters on rock specimens from the UK
rough round agate mineral sample with outer shell geode
Southeast Oregon's High Desert.\nSteens Mountain Wilderness/SE.
Petroglyph or rock art carvings of Native Americans on a canyon wall in Freemont,  National Park Capitol Reef  Utah, USA
Bivalvia Fossil inside a limestone rock on moss floor. Gastropods from the jurassic period captured during autumn season.
Other types of mushrooms have pores instead of gills. Like gills, pores produce spores, but they appear as small, sponge-like holes instead of thin blades. The little holes lead to tubes inside the cap. As spores mature, they eventually fall from the tubes out of holes and into their environment.
Small snake in the hands of scientists after being caught during a biodiversity survey
fosilised animal
Pronghorn Antelope in East Central Idaho.
Shell on sea rock
Ancient Vernal style petroglyph. Fremont Culture, Utah.
Native American rock art is prevalent throughout the Four Corners Region of the southwest USA, particularly in the southeastern portion of Utah.  This panel is a herd of possibly antelope or bighorn sheep that can be found near Bluff, Utah and is known as the Sand Island petroglyph site.
bunch of natural sponges
Sandstone cliff dwelling desert southwest summer landscape with clear blue sky in Mesa Verde Colorado, USA.
chinese medicine Rhizoma Cibotii, Cibotium barometz
A closeup of the prehistoric stone spear head isolated on white background.
closeup of pronghorn antelope in the wild
internal tissue of a sea creature's shell. pores. macro photo.
Backgrounds,Table, Material, Marble - Rock, Nature, Stone Material, Full Frame,
Ancient Anasazi petroglyphs in Monument Valley tribal park
Concretion formations in a rock in the Grand Staircase-Escalante National Monument in southern Utah during the fall. Concretions are precipitated mineral deposits that form in the spaces of sedimentary rock.
Outlook over the Kuiseb pass viewpoint in Namibia, an area that strongly resembles a lunar landscape.
A preserved snake and frog in old preserving jars.Originaly shot on 5x4 film stock.
Namibia in its beauty
Close-up paintings at La Cieneguilla Petroglyph Site near Santa Fe, NM. The petroglyphs were painted between circa 1400 and 1800 by Keresan-speaking Pueblo Indians.
Free Images: "bestof:Close-up of a fossil of Stenomylus, a gazelle-like camel - NARA - 286029.tif Scope and content This fossil was located at the Agate quarries 50 miles north of"
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