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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:
close up on Trilobite fossil isolated on white background
The tribolite fossils exhibited in a museum setting.
elrathia Kingi trilobite fossil in gray shale matrix.
Trilobites
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.
Small Insect fossil on stone
Close up of a multitude of fossil crinoids
Phacops rana (Eldredgeops rana) is a species of trilobite from the middle Devonian period
Trilobite fossil of the species Metacanthina issoumourensis from  Djebel Issoumou, Morocco\nMiddle Devonian, 393 - 388 million years ago.
fossil trilobite imprinted in the sediment
elrathia Kingi trilobite fossil in gray shale matrix.
trilobite fossil
Stone slab with many oceanic fossils. The town of Erfoud is recognized as a center for fossil collectors.  The area is surrounded by quarries of fossils.
Trilobites fossil from Middle Ordovician Era. Selective focus
Fossils of marine life.Ammonite fossils
illuminated from above fossil
Tiger’s eye mineral stone sample macro photography
complete pyritised Leonaspis (Kettneraspis) sp. trilobite from Morocco
Magnified close up of shale with multiple trilobite fossils.
trilobite fossil texture as very nice natural background
Trilobite Elrathia kingii\nexcavated in Millard Co. Utah, U.S.A
Abruzzo, Italy: fossil shells enclosed in the sedimentary rocks of a mountain river in the Gran Sasso Monti della Laga National Park, sign that the mountain range was once submerged
Trilobite fossil (Cheirurus ingricus) from the middle Ordovician peroid (488.3 – 443.7 million years ago) . This specimen was found in Russia
Calmitacea inside a peace of stone. The fossil was growing in the Carboniferous Period (around 360 to 300 million years ago).
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.
Fossilised Fish
Arthropod fossil. Ordovician Era
Primitive Living Fossil
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