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The "Kamadōma" (カマドウマ) is an irregular mutant that was cut from its respective Resident Evil title at the concept art stage. Its name is the Japanese term for Rhaphidophoridae, a family of crickets also known as "spider crickets".
- Sumner, Christian; Shotten, Brian; Owen, Michael, eds (9 November 2005). Resident Evil Archives: Umbrella's Virus Uncovered. Translated by Zpang America, Inc.. BradyGames. ISBN 0744006554.
- Ōno, Tetsuya; Masui, Kō, eds (31 March 2005). biohazard archives. Famitsu. ISBN 4-906-582-31-1.