Vol. s5-29, Issue 173, 1935May 01, 1935 EDT
Paleozoic Plankton of North America; Review
Paleozoic Plankton of North America; Review
Charles Schuchert,
Schuchert, C. (1935). Paleozoic Plankton of North America; Review. American Journal of Science, s5-29(173), 462–464. https://doi.org/10.2475/ajs.s5-29.173.462