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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
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...an old Spanish coin, a means of payment from the Iberian Peninsula made of metal
Bivalvia Fossil inside a limestone rock on moss floor. Gastropods from the jurassic period captured during autumn season.
hyena skull on white, isolated
prismatic quartz mineral clusters on rock specimens from the UK
Fish carcasses in cracked ground formed by a reservoir that dried up due to long drought,location in Mulur reservoir,Sukoharjo,Indonesia.
chinese medicine Rhizoma Cibotii, Cibotium barometz
Petroglyph or rock art carvings of Native Americans on a canyon wall in Freemont,  National Park Capitol Reef  Utah, USA
Small snake in the hands of scientists after being caught during a biodiversity survey
rough round agate mineral sample with outer shell geode
Ancient Vernal style petroglyph. Fremont Culture, Utah.
Close up of hieroglyph texture, selective focus.
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.
Texture of old clay wall, shell rock brick
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.
Petroglyphs in the Valley of Fire Nevada
Backgrounds,Table, Material, Marble - Rock, Nature, Stone Material, Full Frame,
A garden banden snail (Cepaea hortesis) in close-up on a stone in the morning sunlight.
A preserved snake and frog in old preserving jars.Originaly shot on 5x4 film stock.
Close up of plastic dinosaur toy, kids toy, skeleton toy isolated on white background.
Ammonite in limestone rock (Bavaria, Germany)
A closeup of the prehistoric stone spear head isolated on white background.
Cross section of rock  backgrounds
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.
two iridescent ammonite fossils.
Computer generated 3D illustration with the dinosaur Suchomimus in a landscape
Mayan Sacrificial Dagger - Knife Arrowhead
Waste water and dirty foam pollute the environment. Sewage or industrial waste
fossil of ammonite. Limestone rock.
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