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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.
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