Abbreviated record for specimen 14760 Basic Information Determination: No'eopteris asymmetrica Janssen Previously: none Type Status: holotype Figured In: Janssen, 1940, p. 97-98, pl. XXV, fig. 3a-b Locality: Will County, Illinois Geologic Unit: Francis Creek Shale Additional Information Images: medium (150 dpi, 43.8KB)large (600 dpi, image not available) Catalog Data: show full record