↑ 1.0 1.1
"Notropis bifrenatus " . IUCN Red List of Threatened Species. Version 2012.2 . International Union for Conservation of Nature . 2010. Ginkuhà 24 Oktubre 2012 .
↑ Eschmeyer, W.N. (ed.) (1999) Catalog of fishes. Updated database version of November 1999., Catalog databases as made available to FishBase in November 1999.
↑ Eschmeyer, W.N. (1997) PISCES., Eschmeyer's PISCES database as published on the Internet in June 1997, URL: gopher://gopher.calacademy.org:640/7 .
↑ Page, L.M. and B.M. Burr (1991) A field guide to freshwater fishes of North America north of Mexico., Houghton Mifflin Company, Boston. 432 p.
↑ 5.0 5.1 Bisby F.A., Roskov Y.R., Orrell T.M., Nicolson D., Paglinawan L.E., Bailly N., Kirk P.M., Bourgoin T., Baillargeon G., Ouvrard D. (ed.) (2011). "Species 2000 & ITIS Catalogue of Life: 2011 Annual Checklist" . Species 2000: Reading, UK. Ginkuhà 24 Septyembre 2012 . CS1 maint: multiple names: authors list (link ) CS1 maint: extra text: authors list (link )
↑ FishBase . Froese R. & Pauly D. (eds), 14 Hunyo 2011