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fossil of a trilobite. lived during time of Early Cambrian throughout the lower Paleozoic, during the Devonian til the end of the Permian See also my other Fossils and Mineral/ Crystal images:
Closeup isolated trilobite fossil
trilobite fossil
Double elrathia Kingi trilobite fossils superimposed.
Elrathia Kingii Trilobite fossil in shale stone (Cambrian age). (shallow dof)
Petrified Wood Preserved in a Rock.
This detailed photograph showcases a fossilized specimen of Holocystites scutellatus, an extinct echinoderm from the Ordovician period, found in Indiana, USA. Holocystites belonged to the cystoid class, a group of ancient, stemmed marine organisms related to modern echinoderms like sea urchins and starfish. This fossil preserves the unique sac-like structure and intricate surface details typical of cystoids, offering a glimpse into the early diversity of marine life over 450 million years ago. Perfect for educational and scientific uses, this image provides a close-up look at one of the ancient inhabitants of prehistoric seas.
Trilobite fossil of the species Metacanthina issoumourensis from  Djebel Issoumou, Morocco\nMiddle Devonian, 393 - 388 million years ago.
Phacops rana (Eldredgeops rana) is a species of trilobite from the middle Devonian period
Fossilised Fish
A trilobite fossil
elrathia Kingi trilobite fossil in gray shale matrix.
Trilobites fossil from Middle Ordovician Era. Selective focus
Scleractinian coral fossil on a Ammonite fossil. Both from the jurassic period found in the canton of Aargau.
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.
Fossil trilobite curled in a ball for defense.
Trilobites
Fossilised Fish
close up on Trilobite fossil isolated on white background
Ammonite is a fossil of a squid, photographed in close-up in the studio
Trilobite fossil remains in stone.
complete pyritised Leonaspis (Kettneraspis) sp. trilobite from Morocco
Magnified close up of shale with multiple trilobite fossils.
Orthoceras fossils in Harz slate from the Devonian provide key insights into the evolution and diversification of early marine ecosystems
Sea Urchin spine fossil.  The close-up image shows a  sea urchin fossil from the jurassic period inside a limestone.
Fossilized footprint in stone of Trilobites, extinct big marine arthropods
Marine life fossils.
Arthropod fossil. Ordovician Era
Primitive Living Fossil
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Arctinurus boltoni, Middle Silurian, Rochester Shale, Niagara County, New York, USA - Houston Museum of Natural Science - DSC01577.JPG
Arctinurus boltoni, Middle Silurian, Rochester Shale, Niagara County, New York, USA - Houston Museum of Natural Science - DSC02014.JPG
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Arctinurus boltoni - National Museum of Nature and Science, Tokyo - DSC07761.JPG
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