Jump to content

Other images in MY FOSSIL Collection - Dpaul7

Hexagonaria Coral 'Petoskey Stone'.JPG


Hexagonaria Coral 'Petoskey Stone' (Polished)

Devonian period (~350 million years ago)
Hexagonaria is a genus of colonial rugose coral. Fossils are found in rock formations dating to the Devonian period, about 350 million years ago. Specimens of Hexagonaria can be found in most of the rock formations of the Traverse Group in Michigan. Fossils of this genus form Petoskey stones, the state stone of Michigan. Hexagonaria is a common constituent of the coral reefs exposed in Devonian Fossil Gorge below the Coralville Lake spillway and in many exposures of the Coralville Formation in the vicinity of Coralville, Iowa.
Kingdom: Animalia
Phylum: Cnidaria
Class: Anthozoa
Order: Stauriida
Family: Disphyllidae
Subfamily: Hexagonariinae
Genus: †Hexagonaria

From the album

MY FOSSIL Collection - Dpaul7

  • 934 images
  • 58 image comments

Photo Information for Hexagonaria Coral 'Petoskey Stone'.JPG


Recommended Comments

There are no comments to display.