Vol. s5-29, Issue 172, 1935April 01, 1935 EDT
The Ostracoderm Genus Dartmuthia Patten
The Ostracoderm Genus Dartmuthia Patten
George M. Robertson,
Robertson, G. M. (1935). The Ostracoderm Genus Dartmuthia Patten. American Journal of Science, s5-29(172), 323–335. https://doi.org/10.2475/ajs.s5-29.172.323