Conodonts from the Keokuk, Warsaw, and Salem formations (Mississippian) of Illinois
By: [by] Carl B. Rexroad [and] Charles Collinson.
Contributors: Collinson, Charles William, joint author.
Published: 1965
Place of publication: Urbana
Language: eng
Number of pages: 26
Subjects: Conodonts; Paleontology -- Illinois; Paleontology -- Mississippian
Notes: Bibliography: p. 25-26.
Cover title.