Explore Extinct Animals, Prehistoric Animals, and more!

Crinoids, sometimes called sea lilies, have three major parts. The stem is segmented and attaches to the bottom, the body or calyx (partial imprint shown here) contains the organs, and arms that gather food.   Some varieties have survived the mass extinctions, but are not as plentiful as they were when this one was alive, about 330 million years ago. These fossils are common in the limestones of central USA and other areas.

Crinoids, sometimes called sea lilies, have three major parts. The stem is…

Indiana Fossils

An absolutely beautiful Crinoid, also known as a Sea lily, Indiana

Gilbertsocrinus tuberosus from Crawfordsville, Indiana. Just added to FossilEra.com

Superb Gilbertsocrinus Crinoid - Crawfordsville

Superb Gilbertsocrinus Crinoid - Crawfordsville (Item Crinoid Fossils for sale. FossilEra your source to quality fossil specimens.

Sea Scorpions caught in a time stream.

Sea Scorpions caught in a time stream. Wow, whatever happened sure happened in a flash to trap the moving animals so fast.

Devonian Period wasp nest coral found in the North Vernon Limestone of Clark County, Indiana.

A wasp nest in coral, from the Devonian Period, found in Indiana. I am obsessed with wasp nest. A fossilized wasp nest!

DORSAL view but part of cephalon lost revealing ventral legs.

Eurypterid Sea Scorpion Fossils (Euryterus remipes) Silurian Period million years ago

Nice guide to crinoids of Crawfordsville, Indiana from the Edwardsville Formation.

Agaricocrinus americanus Family Coelocrinidae Geologic Time: Lower Mississippian, Osagean Stage (~ 345 million years ago) Size: Agaricocrinus crown is 35 mm long by 35 mm wide Fossil Site: Crawfordsville, Indiana Crinoids

Fossils from the ancient sea

This slab is so pretty that it's hard to believe that these are real fossils of ancient sea creatures, but you can visit the Museum and learn all about them!

NSW, Australia: White Cliffs Pineapple Opal Fields: The White Cliffs opal fields, located near Wilcannia in NSW Australia, are known for their rare Australian "Pineapple Opal" and Opalised Shells or fossils which are unique to this region of New South Wales. In the 1970s, an opalised fossil of a 2 meter long, 100 million year old 'plesiosaur' (a carnivorous marine reptile) was found at White Cliffs. White Cliffs is situated around 1,000 km north-west of Sydney.

NSW, Australia: White Cliffs Pineapple Opal Fields: The White Cliffs opal…

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