Figure 1. Generalized diplodocoid anatomical features. A, B in A phylogenetic analysis of Diplodocoidea (Saurischia: Sauropoda)

Figure 1. Generalized diplodocoid anatomical features. A, B, reconstructed skull of Diplodocus in dorsal (A) and left lateral (B) views. C, sixth cervical vertebra of Diplodocus carnegii in lateral view. D, twelfth cervical vertebra of D. carnegii in lateral view. E, ninth dorsal vertebra of D. carnegii in lateral view. F, distal caudal vertebrae 49–52, D. carnegii. G, silhouette and skeletal reconstruction of Apatosaurus. A, B and G redrawn and simplified from Wilson & Sereno (1998). G, © Copyright 1998 The Society of Vertebrate Paleontology. Reprinted and distributed with permission of the Society of Vertebrate Paleontology. C, D, E redrawn from Holland (1906).