Froese, R. and D. Pauly. Editors. (2024). FishBase. Hymenocephalus gracilis Gilbert & Hubbs, 1920. Accessed through: Glover, A.G.; Higgs, N.; Horton, T. (2024) World Register of Deep-Sea species (WoRDSS) at: https://www.marinespecies.org/deepsea/aphia.php?p=taxdetails&id=272373 on 2024-05-28
Glover, A.G.; Higgs, N.; Horton, T. (2024). World Register of Deep-Sea species (WoRDSS). Hymenocephalus gracilis Gilbert & Hubbs, 1920. Accessed at: https://www.marinespecies.org/deepsea/aphia.php?p=taxdetails&id=272373 on 2024-05-28
context source (Deepsea)Intergovernmental Oceanographic Commission (IOC) of UNESCO. The Ocean Biogeographic Information System (OBIS), available online athttp://www.iobis.org/[details]
additional sourceFroese, R. & D. Pauly (Editors). (2023). FishBase. World Wide Web electronic publication. version (02/2023)., available online athttps://www.fishbase.org[details]
Present Inaccurate Introduced: alien Containing type locality