Abbreviated record for specimen 15769 Basic Information Determination: Lepidodendron aculeatum Sternberg Previously: none Type Status: Figured In: Langford, 1958, p. 22, fig. 14Langford, 1958, p. 65, fig. 101 Locality: Will County, Illinois Geologic Unit: Francis Creek Shale Additional Information Images: medium (150 dpi, image not available)large (600 dpi, image not available) Catalog Data: show full record