Upper Mississippian and Pennsylvanian megaspores and other plant microfossils from Illinois
By: Marcia R. Winslow
Contributors: Illinois State Geological Survey
Series: Bulletin -- no. 86; Bulletin (Illinois State Geological Survey) -- no. 86.
Publisher: Illinois State Geological Survey
Published: 1959
Place of publication: Urbana, Ill
Language: eng
Number of pages: 135
Subjects: Paleobotany; Micropaleontology
Notes: Includes bibliographical references (p. 96-99).

Also available online.
Table of contents: title: Introduction; title: Previous investigations; title: Preparation and examination of samples; title: Spore development and morphology; title: Descriptions of megaspores and "large" spores; title: Descriptions of "small" spores; title: Other microfossils of the plus 65-mesh residues; title: Location of samples; title: Spore distribution.