Bamber, R.N.; El Nagar, A.; Arango, C.P. (Eds) (2024). Pycnobase: World Pycnogonida Database.
Pigrogromitus Calman, 1927. Accessed through: Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2024) European Register of Marine Species at: https://marbef.org/data/aphia.php?p=taxdetails&id=134584 on 2024-07-30
Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2024). European Register of Marine Species.
Pigrogromitus Calman, 1927. Accessed at: http://marbef.org/data/aphia.php?p=taxdetails&id=134584 on 2024-07-30