Trilobite fossil. Over 17,000 known species roamed the oceans for over 270 million years. All gone now...

Trilobite (Phacops rana) was designated the state fossil of Pennsylvania in an elementary school science class campaigned for this prehistoric invertebrate.

Ammonites at the Smithsonian. Originating from within the bactritoid nautiloids, the ammonoid cephalopods first appeared in the Devonian (circa 400 million years ago) and became extinct at the close of the Cretaceous (65.5 Ma) along with the dinosaurs.

Ammonite Fossils - The Promicroceras Planicosta on display at the Smithsonian Museum of Natural History - Washington D.

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The perfect curve of an ammonite. From seashells to galaxies, the spiral signature of the Goddess is everywhere.

ammonites (fossils) - loved collecting fossils like these as a child with my dad on family holidays by the sea

ammonites (fossils) - loved collecting fossils like these as a child with my dad on family holidays by the sea Mais

Kronosaurus fossil.  Can you even imagine what this looked like when it was swimming through the ocean?

Kronosaurus meaning "lizard of Kronos" is an extinct genus of short-necked pliosaur. It was among the largest pliosaurs, and is named after the leader of the Greek Titans, Cronus.

Dinosaur tail fossil | Archaeopteryx Fossil, most primitive bird known

Archaeopteryx Berlin specimen is considered the most famous fossil in the world. It is about 150 Ma & was discovered in limestone deposits in Eichstaett, Bavaria. Archaeopteryx has bird flight feathers, but also has reptile features such as a tail bone &

spiral sea shell fossil                                                                                                                                                      More

Modrest Golden Ratio Photo On Canvas

Sinosauropteryx: The first genus of dinosaur outside of Avialae (birds and their immediate relatives) to be found with evidence of feathers. Which can be seen clearly in this gorgeous fossil.

The living Earth (except a few times when I pin dead stuff) --- Sinosauropteryx: The first genus of dinosaur outside of Avialae (birds and their immediate relatives) to be found with evidence of feathers. Which can be seen clearly in this gorgeous fossil.

Starfish fossils, this is so cool... from Charmouth on Dorset's Jurassic Coast This starfish fossils cluster is mesmerizing! Credit: tripadvisor  Geology Wonders

Starfish fossils from Charmouth on Dorset's Jurassic Coast Credit: tripadvisor Geology Wonders

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Rock Layers: Timeline of Life on EarthEvolution is a complicated subject. While everybody understands that black bears are related to grizzly bears and we can even figure they are related to extinct bears, lots of people wonder how scientists can be so su

Over the years the kids have found a lot of fossils. I should find a nice way to display them.

Fossils - ammonites, trilobites, brachiopods, oh my!

Salt Dough Fossils for a dinosaur theme in your preschool or pre-k classroom! This recipe is super easy to make!

Dinosaur Dig Dramatic Play

Salt Dough Fossils for a dinosaur theme in your preschool or pre-k classroom! This recipe is super easy to make!

When Trilobites Ruled the World

When Trilobites Ruled the World

When Trilobites Ruled the World : Classification Règne Animalia Sous-règne Bilateria Infra-règne Protostomia Super-embr.

Seed fern (Neuropteris heterophylla)  Credit: NATURAL HISTORY MUSEUM, LONDON/SCIENCE PHOTO LIBRARY

Seed fern (Neuropteris heterophylla) Credit: NATURAL HISTORY MUSEUM, LONDON/SCIENCE PHOTO LIBRARY

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