P-ISSN 0002-9599
E-ISSN 1945-452X
Vol. 269, Issue 1, 1970June 01, 1970 EDT
The Oral Region of Ostracoderms and Placoderms, Possible Phylogenetic Significance
The Oral Region of Ostracoderms and Placoderms, Possible Phylogenetic Significance
George M. Robertson,
Robertson, G. M. (1970). The oral region of ostracoderms and placoderms, possible phylogenetic significance. American Journal of Science, 269(1), 39–64. https://doi.org/10.2475/ajs.269.1.39