FIG. 4 in Anatomy of Haplomastodon chimborazi (Mammalia, Proboscidea) from the late Pleistocene of Ecuador and its bearing on the phylogeny and systematics of South American gomphotheres

FIG. 4. — Anterior view of skull, showing anatomical details of the anterior nasal aperture: A, Haplomastodon chimborazi (Proaño, 1922) from Q. Pistud, Bolivar, Ecuador (MECN 82); B, Elephas maximus Linnaeus, 1758 (Recent; MCZR). Abbreviations: see Figure 3. Scale bar: 10 cm.Published as part of Ferretti, Marco P., 2010, Anatomy of Haplomastodon chimborazi (Mammalia, Proboscidea) from the late Pleistocene of Ecuador and its bearing on the phylogeny and systematics of South American gomphotheres, pp. 663-721 in Geodiversitas 32 (4) on page 675, DOI: 10.5252/g2010n4a3, http://zenodo.org/record/468855