World Register of Marine Species (WoRMS)
Read, G.; Fauchald, K. (Ed.) (2026). World Polychaeta Database. Siphonostoma asperum Stimpson, 1853. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=336805 on 2026-08-28
Stimpson, W. (1853). Synopsis of the marine Invertebrata of Grand Manan: or the region about the mouth of the Bay of Fundy, New Brunswick. Smithsonian Contributions to Knowledge. 6: 1-66, pls. 1-3.