Observations on the Crown Structure of Psaronius Braziliensis
Observations on the Crown Structure of Psaronius Braziliensis
O. A. Derby,
Derby, O. A. (1914). Observations on the Crown Structure of Psaronius Braziliensis. American Journal of Science, 149–156. https://doi.org/10.2475/ajs.s4-38.224.149