Rujukan Araknid

  1. ↑ Dunlop, J.A. (September 1996). "A trigonotarbid arachnid from the Upper Silurian of Shropshire" (PDF). Palaeontology. 39 (3): 605–614. Dicapai 2008-10-12. 
  2. ↑ arachnid. Oxford English Dictionary (edisi 2nd). 1989. 
  3. ↑ Cracraft, Joel & Donoghue, Michael, penyunting (2004). Assembling the Tree of Life. Oxford University Press, USA. m/s. 297. Selenggaraan CS1: Pelbagai nama: senarai editor (link)