P-ISSN 0002-9599
E-ISSN 1945-452X
Vol. s5-4, Issue 20, 1922August 01, 1922 EDT
A Critical Phase in the History of Ammonites
A Critical Phase in the History of Ammonites
Carl Diener,
Diener, C. (1922). A critical phase in the history of ammonites. American Journal of Science, s5-4(20), 120–126. https://doi.org/10.2475/ajs.s5-4.20.120