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Crinoid Agaricocrinus americanus Plate | Primitive Past

This spectacular Agaricocrinus americanus crinoid was recovered in Crawfordsville, Indiana. It is an exceptionally preserved specimen with considerable length, an articulated stem and attractive color that contrasts perfectly against the

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.

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!

Fossil Crinoids (Uintacrinus socialis), Smithsonian National Museum of Natural History, Washington, D.C.  Because many crinoids resemble flowers, with their cluster of waving arms atop a long stem, they are sometimes called sea lilies. But crinoids are not plants. Like their relatives—starfishes, sea urchins, sea cucumbers, and brittle stars—crinoids are echinoderms, animals with rough, spiny surfaces and a special kind of radial symmetry based on five or multiples of five.

Fossil Crinoids (Uintacrinus socialis), Smithsonian National Museum of Natural History, Washington, D. gems-minerals-and-fossils

Fossil:  Crawfordsville crinoid known as Agaricocrinus americanus (Family Coelocrinidae)

Fossil: Crawfordsville crinoid known as Agaricocrinus americanus (Family Coelocrinidae) From Crawfordsville Indiana.

Sphenodiscus lenticularis, Fox Hills Formation, South Dakota  Late Cretaceous (~ 70 mya)  Both sides of this handsome specimen display the extraordinarily intricate suture patterns that are characteristic of this species. Also evident is part of the beautifully iridescent nacreous layer

Sphenodiscus lenticularis, Fox Hills Formation, South Dakota Late Cretaceous (~ 70 mya) Both sides of this handsome specimen display the extraordinarily intricate suture patterns that are characteristic of this species.

how to make dinosaur fossils with salt dough by learning 4 kids 2

How to make Dinosaur Fossils?

This dinosaur craft which uses homemade salt dough is perfect for little kids who love dinosaurs

Ammonites

Ammonites are an extinct group of marine invertebrate animals in the subclass Ammonoidea of the class Cephalopoda. These molluscs are more closely related to living coleoids than they are to shelled nautiloids such as the living Nautilus species.

Ida, one of the most complete primate fossils ever found, a 47-million-year-old human ancestor

Fossil Ida: Extraordinary find is 'missing link' in evolution

Ida, one of the most complete primate fossils ever found, a human ancestor. Photograph: Atlantic Productions Ltd

Dinosaur Fossils - when dry add to a sand box and pretend to be archaeologists digging for dinosaur fossils.

Make your own fossils! Use modeling clay and some plastic dinosaurs to create dinosaur fossils. You only need 1 oz. of modeling clay per fossil.

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!

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