Vol. s3-38, Issue 225, 1889September 01, 1889 EDT
The Carboniferous Echinodermata of the Mississippi Basin
The Carboniferous Echinodermata of the Mississippi Basin
Charles Rollin Keyes,
Keyes, C. R. (1889). The Carboniferous Echinodermata of the Mississippi Basin. American Journal of Science, s3-38(225), 186–193. https://doi.org/10.2475/ajs.s3-38.225.186