Saturday, May 16, 2020

Dictyonema crassibasale? Graptolite Fossil

This graptolite fossil might be a Dictyonema crassibasale. It was found in the Waldron Shale (Wenlockian) of Clark County, Indiana USA. It dates to the Silurian Period (425-419 million years ago).
Thanks to Kenny for the images.