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Fossil Fern / Odontopteris sp.350 million years ago

Flint arrowhead as traditional weapon for aboriginal people

Detail of a fossil Ichthyosaurus.

Fossil Fern inside a peace of slate. The fossil is more than 100 mio Years old.

Fossil leaves of ferns petrified and highlighted on the surface of a rock

Devonian fossils in limestone matrix include bryozoa, crinoid, and brachiopod fossils. Largest pieces are about 1/2 inch (10 mm). Fossil and Prairie Park Preserve, Silos and Smokestacks National Heritage Area, Rockford, Iowa, USA.

Leaf pattern on a stone wall

Fossilized leaf. Selective focus. Close-up, background and texture.

Detail os the fossil of a prehistoric frog

Knightia alta is an extinct genus of fish well-known from abundant fossils found in the Green River Formation of Wyoming, United States. They rarely exceeded 10 cm in length and are found throughout the formation. Knightia alta, Eocene Epoch, Green River Shale. Fossil.

fossil trilobite imprinted in the sediment

Fossilised Fish

trilobite fossil texture as nice natural background

$Rudists embeded in sandstones, cross sections.\nCretaceous marine fossis near Barcelona.$

Fossil of crinoid Encrinus liliiformus 200 million years ago

$Devonian microfossils in limestone matrix include circular and cylindrical crinoids, fan-shaped brachiopod (shell) fragments, speckled bryozoan fragments. Rock is about 1 1/2\$

Fossilized fern and other plants. The most ancient gray stone with prints of plants

Cambrian baculite fossil remnant.

fossil of Ammonite in the stone on white, isolated

Ammomite (Ammomoideae) fossil imprint on a limestone. The image was captured in the canton of schaffhausen during springtime.

Detail of a fossil Ichthyosaurus.

Archaeopteryx marble imprint, fossilized imprint, imprint transitional form (mosaic form), of a theropod dinosaur. Replica of a lime-impression (limestone slab) from the Jurassic about 150 million years old.

View of a tridactyl footprint fossilised on the rock known as Fossil track or Ichnite, Mosqueruela, Spain

Marine life fossils.

nature

Dark rough natural granite surface background

Fossilized prehistoricanimal - trilobite fossill in rock

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

Shark Tooth

Primitive Living Fossil

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