World Register of Marine Species (WoRMS)
Nemys eds. (2026). Nemys: World Database of Nematodes. Synonema californicum Jensen, 1989. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=843697 on 2026-08-28
Jensen, P. (1989). Revision of Aponchiidae Gerlach, 1963 (Nematoda: Monhysterida) epibiotic on shells of intertidal epibenthic invertebrates, with description of new species. Phuket Marine Biological Center, Research Bulletin. 50: 1-24.