Chú thích Phorusrhacidae

  1. ↑ Herculano Alvarenga, Washington Jones, and Andrés Rinderknecht (2010). The youngest record of phorusrhacid birds (Aves, Phorusrhacidae) from the late Pleistocene of Uruguay. Neues Jahrbuch für Geologie andPaläont. Abh, 256: 229–234; Stuttgart.
  2. ↑ Ameghino, F (1889). “Contribuición al conocimiento de los mamíferos fósiles de la República Argentina”. Actas Academia Nacional Ciencias de Córdoba (bằng tiếng Tây Ban Nha) 6: 1–1028.  Bảo trì CS1: Ngôn ngữ không rõ (link)
  3. ↑ Blanco, R. E.; Jones, W. W. (2005). “Terror birds on the run: a mechanical model to estimate its maximum running speed” (PDF). Proceedings of the Royal Society B 272 (1574): 1769–1773. doi:10.1098/rspb.2005.3133. 
  4. ↑ Land Bridge Linking Americas Rose Earlier Than Thought, LiveScience.com