Receptaculites
(cross section)

Fossil Algae
Age: Ordovician
Pike County, Missouri

Common name: Sunflower coral

Click on pictures to Magnify

Receptaculites

Sun-flower shaped inclusion in Paleozoic rocks was long assigned
to sponges, but is now considered a member of the fossil algae.

Go-Back
Fossil Menu

Other Fossils (USA and World Wide)