World Register of Marine Species (WoRMS)
Nemys eds. (2026). Nemys: World Database of Nematodes. Theristus leptosoma Allgén, 1950. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=121618 on 2026-08-30
Allgén, C. A. (1950). Westschwedische marine litorale und terrestrische Nematoden. Ark. Zool. (2) 1: 301-344.