Halysites Chain Coral 1.JPG
Halysites Chain Coral Fossil
Lake Michigan Beach, Indiana, USA
Ordovician to Silurian (from 449.5-412.3 Million Years Ago)
Halysites (meaning chain coral) is an extinct genus of tabulate coral. Colonies range from less than one to tens of centimeters in diameter, and they fed upon plankton. These tabulate corals lived from Ordovician to Silurian (from 449.5 to 412.3 Ma). Fossils of Halysites species have been found in the sediments of Canada, United States, Poland and Australia.
Kingdom: Animalia
Phylum: Cnidaria
Class: Anthozoa
Subclass: †Tabulata
Order: †Heliolitida
Family: †Halysitidae
Genus: †Halysites
Photo Information
- Taken with Canon Canon PowerShot SX120 IS
- Focal Length 7.3 mm
- Exposure Time 1/60
- f Aperture f/3.2
- ISO Speed 80
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