Kroh, A.; Mooi, R. (2024). World Echinoidea Database.
Strongylocentrotus polyacanthus polyacanthus A. Agassiz & H.L. Clark, 1907. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=608164 on 2024-09-23