Vol. s5-4, Issue 24, 1922December 01, 1922 EDT
A Trilobite Containing Color Markings
A Trilobite Containing Color Markings
Percy Edward Raymond,
Raymond, P. E. (1922). A trilobite containing color markings. American Journal of Science, s5-4(24), 461–464. https://doi.org/10.2475/ajs.s5-4.24.461