Conodonts from the St. Louis formation (Valmeyeran series) of Illinois, Indiana, and Missouri
By: [by] Carl B. Rexroad [and] Charles Collinson.
Contributors: Collinson, Charles William, joint author.
Publisher: State of Illinois Dept. of Registration and Education, Illinois State Geological Survey
Published: 1963
Place of publication: Urbana
Language: eng
Number of pages: 28
Subjects: Conodonts.; Paleontology -- Mississippian.; Paleontology -- Middle West.
Notes: Bibliography: p. 27-28.