Chain coral is Halysites, an extinct genus of tabulate coral whose name means chain coral. Colonies ranged from less than a centimetre to tens of centimetres across and fed on plankton. The genus lived from the Ordovician to the Devonian, about 449.5 to 412.3 million years ago, and its fossils are found in North America, Europe, Asia and Australia.
All properties
- Organism
- Tabulate coral (genus Halysites)
- Age
- Ordovician to Devonian (about 449.5 to 412.3 million years ago)
Where rockhounds find chain coral
9 mapped spotsClassic worldwide localities
- North America
- Europe
- Asia
- Australia
Field-hunting tip
In the U.S., the densest reported localities are in Michigan, Wisconsin. Start trip planning there.
Common questions
Where is chain coral found?+
Notable localities include North America; Europe; Asia; Australia.
Can I find chain coral in the United States?+
RockHoundR maps 9 chain coral rockhounding spots across 2 U.S. states. The top states are Michigan, Wisconsin.
Find chain coral on the map
RockHoundR shows mapped rockhounding spots, access rules, and lets you log every find.
