World Register of Marine Species (WoRMS)
Nemys eds. (2026). Nemys: World Database of Nematodes. Sphaerotheristus macrostoma Timm, 1968. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=229492 on 2026-08-30
Timm, R. W. (1968). Sphaerotheristus (Monhysteridae), a new marine nematode genus. Trans. Am. Microsc. Soc. 87 (2): 157-164.