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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 filamentous blue-green algae, Oscillatoria species. Each band along the stand is one cell. This filament is very short probably having recently parted from a longer one. Filaments are typically many times longer. This algae is mobile, it moves and twists through the water. San Francisco Bay, California, USA. Live specimen. Wet mount, 40X objective, transmitted brightfield illumination. Note - motion blur of live specimen, very shallow depth of field, chromatic aberration and uneven focus are inherent in light microscopy.

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.

Ammonite Fossil preserved in the rocks mined from the reserve found in the Middle Atlas Mountains of Morocco

Leiden leaf c.s. under microscope

Natural ecology, stone, rust, texture, background, abstract, plain stone, rock, building material, shape, solid, marble, granite, sea stone, wall, floor, stone wall, color, nature, simplicity

four Fossils Specimens : Practical Specimens for Study of Earth Science / Isolated white

Calmitacea inside a peace of stone. The fossil was growing in the Carboniferous Period (around 360 to 300 million years ago).

Petrographic thin section under the microscope and with polarized light. Thin sections are geological samples for microscopy used in science and exploration. The rock is a fossil rich limestone of Miocene age from Europe.

$plant Flower bud of Lilium brownii var.viridulum T.S.\nunder light mircoscope with white background$

coral fossil texture as very nice geology background

An arid mountain landscape with an abandoned structure

Isolated on black.

Fossilised Fish

Solnhofen Limestone with Subplanites sp. Ammonite fossil

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).

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.

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.

elrathia Kingi trilobite fossil in gray shale matrix.

Fossil Oyster

Fossilised Fish

Dallol is a part of the Danakil Depression, Ethiopia

blue mold close up background, macro photography

isolated on black.

Ground granite rock with two groups of concentric circles, Pena de Chaos petroglyphs decoration and ancestral art , Antas de Ulla, Lugo province, Galicia, Spain, set in early Bronze Age. Petroglyphs are of public free access.

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