Vol. s4-3, Issue 14, 1897February 01, 1897 EDT
Outline of a Natural Classification of the Trilobites
Outline of a Natural Classification of the Trilobites
C. E. Beecher,
Beecher, C. E. (1897). Outline of a Natural Classification of the Trilobites. American Journal of Science, s4-3(14), 89–106. https://doi.org/10.2475/ajs.s4-3.14.89