Willey A (1899) Enteropneusta from the South Pacific, with notes on the West Indian species. Willey's Zoological Results III: 32-335.[details]
Swalla, B.J.; van der Land, J. (2025). Hemichordata World Database. Balanoglossus borealis Willey, 1899. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=266570 on 2025-05-06
original descriptionWilley A (1899) Enteropneusta from the South Pacific, with notes on the West Indian species. Willey's Zoological Results III: 32-335.[details]