Some Middle Devonian stromatoporoids from Michigan and southwestern Ontario
Subtitle: including types described by Alexander Winchell and A.W. Grabau
By: by J.J. Galloway and G.M. Ehlers
Contributors: Ehlers, George Marion, 1891-1976, author
Series: University of Michigan Contributions -- v. 15, no. 4
Publisher: University of Michigan
Published: 1960
Place of publication: Ann Arbor
Language: eng
Number of pages: 120
Subjects: Stromatoporoidea; Paleontology
Notes: Includes bibliography.