Dillman, C. B., & Hilton, E. J. (2011). The Cause and Effect of Polarization: Thoughts on the “Morphological vs. Molecular Debate” in Systematics, with Examples from the Study of Sturgeons (Actinopterygii: Acipenseridae). Zootaxa, 2946(1), 79–117. https://doi.org/10.11646/zootaxa.2946.1.16