Abbreviated record for specimen 15512

	Basic Information Determination: Caulopteris sp. Previously: none  Type Status:   Figured In: Langford, 1958, p. 129, fig. 321 Langford, 1958, p. 52, fig. 73 Pfefferkorn, 1976, p. 9-10, pl. 1, fig. 1  Locality: Will County, Illinois Geologic Unit: Francis Creek Shale   Additional Information Images: medium (150 dpi, 191.5KB) large (600 dpi, image not available) Catalog Data: show full record