Abbreviated record for specimen 14779 Basic Information Determination: Neuropteris clarksoni Lesquereux Previously: none Type Status: Figured In: Janssen, 1939, p. 149, fig. 138Langford, 1958, p. 197, fig. 341 Locality: Will County, Illinois Geologic Unit: Francis Creek Shale Additional Information Images: medium (150 dpi, 63.4KB)large (600 dpi, image not available) Catalog Data: show full record