FIGURE 7. Comparison of forelimbs among different Platypterygius species. 7.1 DMNH 11843, left forelimb in dorsal view; 7.2 UALVP 45636, right forelimb in ventral view (modified from Maxwell and Caldwell 2006); 7.3 P. americanus, UW 2421, right forelimb in dorsal view (modified from McGowan 1972); 7.4 P. hauthali, MLP 79-I-30-2, position and view unknown (modified from Fernández and Aguirre-Urreta 2005); 7.5 P. hercynicus, left forelimb in dorsal view (modified from Maisch and Matzke 2000); 7.6 P. australis, QM F3348, right forelimb in dorsal view (modified from McGowan and Motani 2003). Abbreviations same as in Figure 4. Not to scale.