FIG. 6 in Exceptional Skull Of Huayqueriana (Mammalia, Litopterna, Macraucheniidae) From The Late Miocene Of Argentina: Anatomy, Systematics, And Paleobiological Implications

FIG. 6. Dorsal views of skulls of A, Huayqueriana cristata MLP 37-III-7-2; B, Promacrauchenia antiquua MACN-PV 7986; and C, Promacrauchenia calchaquiorum MACN-PV 5528 (holotype). For stratigraphic provenances, see figure 5. Abbreviations: Fr, frontal; na, nasal aperture; ncr, nuchal crest; nf, nutrient foramina; ofs, openings of frontal sinus; Pa, parietal; sf, supraorbital foramen; tl, temporal line.Published as part of Forasiepi, Analía M., MacPhee, Ross D. E., Del Pino, Santiago Hernández, Schmidt, Gabriela I., Amson, Eli & Grohé, Camille, 2016, Exceptional Skull Of Huayqueriana (Mammalia, Litopterna, Macraucheniidae) From The Late Miocene Of Argentina: Anatomy, Systematics, And Paleobiological Implications, pp. 1-77 in Bulletin of the American Museum of Natural History 2016 (404) on page 16, DOI: 10.1206/0003-0090-404.1.1, http://zenodo.org/record/537972