Mustoe, George E; Tucker David S; Kemplin, Keith L (2012). “Giant Eocene Bird Footprints From Northwest Washington, USA”. Palaeontology55 (6): 1293–1305. doi:10.1111/j.1475-4983.2012.01195.x.
Patterson, John; Lockley, Martin. “A Probable Diatryma Track from the Eocene of Washington: An Intriguing Case of Controversy and Skepticism”. Ichnos11 (3–4): 341–347. doi:10.1080/10420940490442278.
Hellmund M (2013). “Reappraisal of the bone inventory of Gastornis geiselensis (Fischer, 1978) from the Eocene Geiseltal Fossillagerstatte (Saxony-Anhalt, Germany)”. Neues Jahrbuch für Geologie und Paläontologie, Abhandlungen269 (2): 203–220. doi:10.1127/0077-7749/2013/0345.
Buffetaut E (2013). “The giant bird Gastornis in Asia: A revision of Zhongyuanus xichuanensis Hou, 1980, from the Early Eocene of China”. Paleontological Journal47 (11): 1302–1307. doi:10.1134/s0031030113110051.
Angst D.; Lécuyer C.; Amiot R.; Buffetaut E.; Fourel F.; Martineau F.; Legendre S.; Abourachid A. et al. (2014). “Isotopic and anatomical evidence of an herbivorous diet in the Early Tertiary giant bird Gastornis. Implications for the structure of Paleocene terrestrial ecosystems”. Naturwissenschaften101: 313–322. doi:10.1007/s00114-014-1158-2. PMID24563098.
Buffetaut, Eric (2004). “Footprints of Giant Birds from the Upper Eocene of the Paris Basin: An Ichnological Enigma”. Ichnos11 (3–4): 357–362. doi:10.1080/10420940490442287.
Patterson, John; Lockley, Martin (2004). “A Probable Diatryma Track from the Eocene of Washington: An Intriguing Case of Controversy and Skepticism”. Ichnos11 (3–4): 341–347. doi:10.1080/10420940490442278.
Buffetaut Eric, Angst Delphine. “Stratigraphic distribution of large flightless birds in the Palaeogene of Europe and its palaeobiological and palaeogeographical implications”. Earth-Science Reviews138: 394–408. doi:10.1016/j.earscirev.2014.07.001.
Angst D.; Lécuyer C.; Amiot R.; Buffetaut E.; Fourel F.; Martineau F.; Legendre S.; Abourachid A. et al. (2014). “Isotopic and anatomical evidence of an herbivorous diet in the Early Tertiary giant bird Gastornis. Implications for the structure of Paleocene terrestrial ecosystems”. Naturwissenschaften101: 313–322. doi:10.1007/s00114-014-1158-2. PMID24563098.