Fig. 4 in Evidence for a Sauropod-Like Metacarpal Configuration in Ankylosaurian Dinosaurs

Fig. 4. Proximal views of the metacarpus in the Dinosauria, showing that a semicircular configuration is present only in the Thyreophora and basal Sauropoda. Sources of drawings are as follows: Saichania, Maryańska (1977); Stegosaurus, Senter (2010); Triceratops, Fujiwara (2009); Camptosaurus, Carpenter and Wilson (2008); Herrerasaurus, Massospondylus, Omeisaurus, Brachiosaurus, and Apatosaurus, Bonnan (2003); Dilophosaurus, modified from photo by author. Roman numerals refer to digit number.