Saiz, J. (2021). World Sipuncula database. Onchnesoma squamatum (Koren & Danielssen, 1875). Accessed through: Land J. van der (ed). (2008) UNESCO-IOC Register of Marine Organisms (URMO) at: http://www.marinespecies.org/urmo/aphia.php?p=taxdetails&id=136065 on 2025-05-11
Land J. van der (ed). (2008). UNESCO-IOC Register of Marine Organisms (URMO). Onchnesoma squamatum (Koren & Danielssen, 1875). Accessed at: https://www.marinespecies.org/urmo/aphia.php?p=taxdetails&id=136065 on 2025-05-11
context source (Deepsea)Intergovernmental Oceanographic Commission (IOC) of UNESCO. The Ocean Biogeographic Information System (OBIS), available online athttp://www.iobis.org/[details]
basis of recordvan der Land, J. (2001). Sipuncula, in: Costello, M.J. et al. (Ed.) (2001). European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels, 50: pp. 178-179 (look up in IMIS) [details]
additional sourcede Kluijver, M. J.; Ingalsuo, S. S.; de Bruyne, R. H. (2000). Macrobenthos of the North Sea [CD-ROM]: 1. Keys to Mollusca and Brachiopoda. World Biodiversity Database CD-ROM Series. Expert Center for Taxonomic Identification (ETI): Amsterdam, The Netherlands. ISBN 3-540-14706-3. 1 cd-rom. (look up in IMIS) [details]
Present 