• [Wiki] http://en.wikipedia.org/wiki/Zapteryx_brevirostris.
• [fishbase] https://www.fishbase.se/summary/Zapteryx-brevirostris.html.
• [CarmFava2018] Carmo, W. P. D., Fávaro1, L. F., and Coelho, R. (2018). Age and growth of Zapteryx brevirostris (Elasmobranchii: Rhinobatidae) in southern Brazil. Neotropical Ichthyology, 16(1):e170005. doi:10.1590/1982-0224-20170005.
• [Kooy2010] Kooijman, S. (2010). Dynamic Energy Budget theory for metabolic organisation. Cambridge Univ. Press, Cambridge.