Lycopod: Stigmaria sp. (PRI 50355)3D Model
Fossil specimen of the lycopod (club moss) Stigmaria sp. from the Carboniferous of Morgan County, Tennessee (PRI 50355). Stigmaria is a rhizomorph, or root-like anchoring structure for ancient lycophyte trees. Note the helically arranged, circular rootlet scars. Specimen is on display at the Museum of the Earth, Ithaca, New York. Length of specimen is approximately 26.5 cm. Model by Emily Hauf.