Abbreviated record for specimen 15830 Basic Information Determination: Oligocarpa solida Previously: none Type Status: Figured In: Langford, 1958, p. 172, fig. 299Langford, 1963, p. 215, fig. 827 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