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. (2024). Hemichordata World Database. Balanoglossus borealis Willey, 1899. Accessed at: https://marinespecies.org/hemichordata/aphia.php?p=taxdetails&id=266570 on 2024-04-24
original descriptionWilley A (1899) Enteropneusta from the South Pacific, with notes on the West Indian species. Willey's Zoological Results III: 32-335.[details]