Sunday, February 12, 2023

Duncanella borealis Horn Corals

This post is of a horn coral fossil called Duncanella borealis  (Nicholson, 1889). Fossil found in the Waldron Shale of Clark County Indiana USA. It dates to the Silurian Period.

Fossil on display at Falls of the Ohio Interpretative Center Clarksville Indiana USA as of December 2022.