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fossil trilobite imprinted in the sediment
Ohio Dovetail - Arrowhead - Isolated
close up on Trilobite fossil isolated on white background
Ammonite fossils in limestone. The ammonites where living between 409 and 65 million years ago (Mya). The fossils where found in the canton of Aargau (Switzerland).
Small Insect fossil on stone
Trilobite, Walliserops sp., Morocco.  Acastidae; Arthropoda; Morocco; Phacopida; Trilobita; Trilobite fossil; Walliserops; Walliserops sp; black; brown; cephalon; color image; devonian period; exoskeleton; extinct; fossil; fossiliferous rock; geologic specimen; glabella; horizontal; palaeontology; phacopid trilobite; photograph; photography; trident; trilobite; whole animal
Trilobites
Magnified close up of shale with multiple trilobite fossils.
trilobite fossil
American Indian Arrowhead/Spear Point Artifact in Palm of Hand
Detail of a fossil Ichthyosaurus.
Calmitacea inside a peace of stone. The fossil was growing in the Carboniferous Period (around 360 to 300 million years ago).
Phacops rana (Eldredgeops rana) is a species of trilobite from the middle Devonian period
Rudists embeded in sandstones, cross sections.\nCretaceous marine fossis near Barcelona.
Trilobite fossil on stone, prehistoric extinct animal lived in Cambrian and Silurian seas. Big trilobite fossil of prehistoric era and rock. Concept of paleontology, evolution and Paleozoic fossil.
Double elrathia Kingi trilobite fossils superimposed.
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.
Trilobite Elrathia kingii\nexcavated in Millard Co. Utah, U.S.A
close up on Trilobite fossil isolated on white background
Trilobite, Acanthopyge sp., Morocco. Acanthopyge sp; Arthropoda; Lichida; Lichidae; Paleozoic era; Trilobita; Trilobite fossil; black; brown; cephalon; color image; devonian period; exoskeleton; extinct; fossil; fossiliferous rock; geologic specimen; glabella; horizontal; palaeontology; photograph; photography; rare; trilobite; uncommon; whole animal
Ancient fish fossils are on 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.
trilobite stone fossil sample with ridges and detail
Bivalvia Fossils inside a large Ammonit. Gastropods from the jurassic period.
old trilobite fossil as nice animal background
Large elrathia Kingi trilobite fossil in gray shale matrix.
Isolated on white.
Trilobite fossil of the species Metacanthina issoumourensis from  Djebel Issoumou, Morocco\nMiddle Devonian, 393 - 388 million years ago.
Trilobite fossil (Cheirurus ingricus) from the middle Ordovician peroid (488.3 – 443.7 million years ago) . This specimen was found in Russia
Marine mammal bone (Cetacea) and other fossils outcrop on the beach at Capitola City Beach, California, USA.
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