FIGURE 11 in The anatomy and diversity of the pterosaurian sternum

FIGURE 11. The sterna of istiodactyliform pterosaurs, A) Haopterus (based on Wang and Lü, 2001) and B) Luichibang (drawn from Hone et al., 2020) where the dashed line indicates the apparent absence of the cristospine. Both are shown in ventral view. Scale bars are A, 10 mm and B, 20 mm.