FIG. 4 in A skull of Machairodus Kaup, 1833 (Felidae, Mammalia) from the late Miocene of Hadjidimovo (Bulgaria), and its place in the evolution of the genus

FIG. 4. — Scatterplot of upper canine length vs width in Machairodus Kaup, 1833 and Homotherium Fabrini, 1890 (blue and purple dots), in mm. In all scatterplots, the line joins the minimum, mean, and maximum values of Batallones-1 (Antón et al. 2004). Additional data from: Ballésio 1963; Beaumont 1975, 1988; Bonis 1976, 1994; Chang 1957; Collings 1972; Ficcarelli 1979; Geraads et al. 2004; Ginsburg et al. 1981; Hendey 1974; Kurtén 1978; Madurell-Malapeira et al. 2014; Melentis 1967; Monescillo et al. 2014; Morlo & Semenov 2004; Pei 1934; Qiu et al. 2004, 2008; Roussiakis & Theodorou 2003; Sardella & Iurino 2012; Scharapov 1996; Schmidt-Kittler 1976; Senyürek 1957; Sotnikova 1992; Spassov et al. 2018; Teilhard 1939; Vekua 1972; Zdansky 1924, and personal measurements.