Horn Coral, Devonian Aged From New York

 
Here is an associated of two pieces of horn coral and an enrolled Eldredgeops rana rana trilobite from the Windom Shale of NY. The trilobite appears to have been found separately and mounted onto the matrix for display. It's Devonian in age, or approximately 385 million years old.

Horn coral or Rugose coral first appeared in the geological record 488 million years ago and went extinct during the create Permian extinction 251 million years ago. They get their name from the hornlike structures built by the coral animal. They are very often used as an index fossil to help correlate the geological age of different formations.
DETAILS
SPECIES
Stereolasma rectum
LOCATION
Erie County, New York
FORMATION
Windom Shale
SIZE
Plate is 3.5x2.5"
CATEGORY
SUB CATEGORY
ITEM
#1899
GUARANTEE
We guarantee the authenticity of all of our
specimens. Read more about our
Authenticity Guarantee.