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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.
Ancient plant fossils are on a rock
complete pyritised Leonaspis (Kettneraspis) sp. trilobite from Morocco
Fossil Shells on a sandstone rock. The image was captured in Switzerland (Lucerne).
Group of fossilized ammonites on the stone surface, archeology and paleontology abstract background
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 of wasp's nest texture as background or wallpaper
Rudists embeded in sandstones, cross sections.\nCretaceous marine fossis near Barcelona.
trilobite fossil
Fossils of marine life.Ammonite fossils
Trilobites fossil from Middle Ordovician Era. Selective focus
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).
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.
Ammonite Fossil preserved in the rocks mined from the reserve found in the Middle Atlas Mountains of Morocco
Ammonite fossils from the Jurassic. Archeology and paleontology background
Close Up Of Natural Rock Surface
fossil trilobite imprint in the sediment Backlit by lamp.
Fossilised Fish
Explore fossil limestone slabs from Ruegen featuring petrified brachiopods, providing insights into ancient marine environments.
close up on Trilobite fossil isolated on white background
fern fossil
Fossil ammonite fossil isolated on white background with clipping path
Ammonite inside a large rock. The ammonites where living between 409 and 65 million years ago (Mya).
Shells stuck to a stone on the beach
elrathia Kingi trilobite fossil in gray shale matrix.
Ammonites fossil in rock, petrified prehistoric extinct animal like snail. Cephalopod shells, fossil by Paleozoic era close-up. Concept of paleontology, geology, archeology and creature fossils.
Trace of ammonite fossil on the beach at Lyme Regis, Dorset, uK
A trilobite fossil
Ammonite nautilus fossil embedded in a rock
Free Images: "bestof:Cambrian and Silurian fossils contained in the Geological Museum of the University of Cambridge (Page (vii), Table of Contents) BHL13770022.jpg A catalogue of"
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