Silicified corals from the Lingle and St. Laurent limestones (Middle Devonian) of southern Illinois and southeastern Missouri.
Series: Southern Illinois studies -- no. 3.
Publisher: University Museum and Dept. of Geology, Southern Illinois University
Published: 1970
Place of publication: Carbondale
Language: eng
Number of pages: 68
Subjects: Geology -- Illinois.; Geology, Stratigraphic.; Paleontology, Stratigraphic.