Horsetail: Palaeotachya sp. (Cornell Univ.)Your model is disabled. For more details go to Edit properties3D 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.