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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.
fossil of Ammonite in the stone on white, isolated
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).
Sea shells fossil imprint on stone, petrified prehistoric extinct mollusk in sandstone or limestone. Building wall with fossil close-up for texture background. Paleontology, geology and time concept.
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
Ammonite fossils from the Jurassic. Archeology and paleontology background
Group of fossilized ammonites on the stone surface, archeology and paleontology abstract background
Ammonite Fossil preserved in the rocks mined from the reserve found in the Middle Atlas Mountains of Morocco
isolated rock formation including lots of ammonite fossils
Fossil Devonian brachiopod isolated on white background.
Fossil of palm
Fossil of a amonite in chalk rock
Lyme Regis, UK
Shell Collection
Shell sediment abstract close up
Ammonite on white background. The ammonites where living between 409 and 65 million years ago (Mya).
full frame macro Muschelkalk limestone closeup
Devonian microfossils in limestone matrix include circular and cylindrical crinoids, fan-shaped brachiopod (shell) fragments, speckled bryozoan fragments. Rock is about 1 1/2\
shell  fossil  in the stone on white, isolated
Fossilized ammonite in limestone on a sidewalk, weathered by time.
large fossil of an extinct mollusc ammonite within a cracked concretion isolated on white background
Shell Collection
fossil spiral snail stone real ancient petrified shell over limestone
Fossil Shells  on a sandstone rock. The image was captured in Switzerland (Lucerne).
Solnhofen Limestone with Subplanites sp. Ammonite fossil
Natural ecology, stone, rust, texture, background, abstract, plain stone, rock, building material, shape, solid, marble, granite, sea stone, wall, floor, stone wall, color, nature, simplicity
An old stone in the water on which shells grew
Scaphites from the family of heteromorph ammonites widespread during the Cretaceous Period found as fossils. Extinct prehistoric animals.
Shell series: sea shells in various colors
Free Images: "bestof:Kentucky fossil shells BHL16845481.jpg Kentucky fossil shells; a monograph of the fossil shells of the Silurian and Devonian rocks of Kentucky by Henry"
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