Dillman, Casey B., and Eric J. Hilton. 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). Auckland, New Zealand:79–117. https://doi.org/10.11646/zootaxa.2946.1.16.