Figure 1. Overview of the current state of the art of cervid classification based on literature (e.g., Hassanin & Douzery, 2003; Pitra et al., 2004; Kuznetsova, Kholodova & Danilkin, 2005; Hernández-Fernández & Vrba, 2005; Hughes et al., 2006; Gilbert, Ropiquet & Hassanin, 2006; Marcot, 2007; Agnarsson & May-Collado, 2008; Duarte, González & Maldonado, 2008; Hassanin et al., 2012).
The diagram shows the different clades, their geographical origination, and their current distribution.