Read, G.; Saiz-Salinas, J. (2025). World Sipuncula Database. Phascolosoma (Phascolosoma) nigrescens (Keferstein, 1865). Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=220538 on 2025-05-10
basis of recordVine, P. (1986). Red Sea Invertebrates. Immel Publishing, London. 224 pp. (look up in IMIS) [details]
Other
context source (Deepsea)Intergovernmental Oceanographic Commission (IOC) of UNESCO. The Ocean Biogeographic Information System (OBIS), available online athttp://www.iobis.org/[details]
additional sourceRice, M. E. (2009). Sipuncula of the Gulf of Mexico, Pp. 803–807 in Felder, D.L. and D.K. Camp (eds.), Gulf of Mexico–Origins, Waters, and Biota. Biodiversity. Texas A&M Press, College Station, Texas.[details]
additional sourceLiu, J.Y. [Ruiyu] (ed.). (2008). Checklist of marine biota of China seas. <em>China Science Press.</em> 1267 pp. (look up in IMIS) [details] Available for editors [request]