Schönhuth, S.; I. Doadrio; O. Dominguez-Dominguez; D.M. Hillis; R.L. Mayden (2008). "Molecular evolution of southern North American Cyprinidae (Actinopterygii), with the description of the new genus Tampichthys from central Mexico". Molecular Phylogenetics and Evolution. 47 (2): 729–756. doi:10.1016/j.ympev.2007.11.036. PMID18353691.
jstor.org
Hudson, Paul F. (2000) "Discharge, Sediment, and Channel Characteristics of the Río Panuco, Mexico". Yearbook (Conference of Latin Americanist Geographers), 2000, Vol. 26 (2000), University of Texas Press, pp. 61-70. [1]
nih.gov
pubmed.ncbi.nlm.nih.gov
Schönhuth, S.; I. Doadrio; O. Dominguez-Dominguez; D.M. Hillis; R.L. Mayden (2008). "Molecular evolution of southern North American Cyprinidae (Actinopterygii), with the description of the new genus Tampichthys from central Mexico". Molecular Phylogenetics and Evolution. 47 (2): 729–756. doi:10.1016/j.ympev.2007.11.036. PMID18353691.
web.archive.org
"River Basins", Atlas of Mexico, 1975, with topographical map