Sources

Scientific Paper
Head, J. J., et al. "Giant boid snake from the Palaeocene neotropics reveals hotter past equatorial temperatures." Nature (February 5, 2009).
Images

  • South America, February 2004 (Blue Marble: Next Generation; satellite: NASA Terra/Aqua, sensor: MODIS)
  • Northern Colombia (mosaic) (Global Land Cover Facility; satellite: NASA Landsat 7, sensor: ETM+)
  • Cerrejón mine, February 2, 2008 and June 4, 2007 (mosaic) (IKONOS satellite image courtesy of GeoEye; www.geoeye.com)
  • Graduate student Alexander Hastings in Cerrejón mine (Edwin Catena)
  • Vertebra of Titanoboa in mine (Courtesy Jonathan Bloch)
  • Paleontologist Jason Head with anaconda bone and Titanoboa fossil (Diane Scott)
  • Titanoboa reconstruction (Jason Bourque)
  • Fossil with live Python regius (Jason Head)