World Register of Marine Species (WoRMS)
DecaNet eds. (2026). DecaNet. Sympagurus affinis (Henderson, 1888). Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=368070 on 2026-08-21
Henderson, J.R. (1888). Report on the Anomura collected by H.M.S. Challenger during the years 1873-76. Report on the Scientific Results of the Voyage of H.M.S. Challenger During the Years 1873–76. Zoology. 27 (part 69): i-xi, 1-221, pls. 1-21.