Horsetail: Palaeotachya sp. (Cornell Univ.)

3D Model

Fossil specimen of the cone of the horsetail Palaeostachya from the Pennsylvanian of Columbia County, Pennsylvania. This is a cone produced by a large, extinct horsetail (Calamitaceae). Specimen is from the Cornell University Paleobotanical Collection (CUPC), Ithaca, New York (#1464). Length of specimen is approximately 15 cm. Model by Emily Hauf.