Abbreviated record for specimen 15330 Basic Information Determination: Caulopteris varians Renault & Zeiller Previously: none Type Status: Figured In: Langford, 1958, p. 130, fig. 234Pfefferkorn, 1976, p. 9-10 Locality: Will County, Illinois Geologic Unit: Francis Creek Shale Additional Information Images: medium (150 dpi, 61.1KB)large (600 dpi, image not available) Catalog Data: show full record