FIG. 4 in Middle Miocene Uruguaytheriinae (Mammalia, Astrapotheria) from Peruvian Amazonia and a review of the astrapotheriid fossil record in northern South America

FIG. 4.— Location map and fossil record of northern South American Astrapotheriidae Ameghino, 1887, based on data from Kraglievich (1928), Stehlin (1928), Scott (1937), Simpson (1940), Paula Couto (1976, 1982), Rancy (1981), Frailey (1986, 1987), Isea (1987), Johnson & Madden (1997), Flynn et al. (2002, 2008), Sánchez-Villagra et al. (2004), Weston et al. (2004), Antoine et al. (2007), Croft (2007), and Negri et al. (2010). Abbreviations: LO, late Oligocene; EM, early Miocene; MM, middle Miocene; LM, late Miocene.