Trace fossil: Diplocraterion sp. (PRI 76773)3D Model
The burrow trace fossil Diplocraterion sp. from the Pennsylvanian Hale Formatoin of Washington County, Arkansas (PRI 76773). Specimen is from the collections of the Paleontological Research Institution, Ithaca, New York. Length of specimen (not including surrounding rock matrix) is approximately 6 cm. Model by Emily Hauf.