Swalla, B.J.; van der Land, J. (2021). Hemichordata World Database.
Harrimania kupfferi (von Willemoes-Suhm, 1871). Accessed through: Craeymeersh J., P. Kingston, E. Rachor, G. Duineveld, C. Heip., E. Vanden Berghe (1986) North Sea Benthos Survey (NSBS) at: http://www.vliz.be/vmdcdata/nsbs/aphia.php?p=taxdetails&id=137597 on 2024-03-28
Craeymeersh J., P. Kingston, E. Rachor, G. Duineveld, C. Heip., E. Vanden Berghe (1986). North Sea Benthos Survey (NSBS).
Harrimania kupfferi (von Willemoes-Suhm, 1871). Accessed at: https://www.vliz.be/vmdcdata/nsbs/aphia.php?p=taxdetails&id=137597 on 2024-03-28