Vol. 237, Issue 1, 1939January 01, 1939 EDT
A New Wisconsin Upper Cambrian Foraminifera
A New Wisconsin Upper Cambrian Foraminifera
Rudolf Ruedemann, Robert Rakes Shrock,
Ruedemann, R., & Shrock, R. R. (1939). A new Wisconsin Upper Cambrian Foraminifera. American Journal of Science, 237(1), 66–71. https://doi.org/10.2475/ajs.237.1.66