Mah, C.L. (2025). World Asteroidea Database.
Persephonaster echinulatus H.L. Clark, 1941. Accessed through: Glover, A.G.; Higgs, N.; Horton, T. (2025) World Register of Deep-Sea species (WoRDSS) at: https://marinespecies.org/deepsea/aphia.php?p=taxdetails&id=178702 on 2026-03-08
Glover, A.G.; Higgs, N.; Horton, T. (2026). World Register of Deep-Sea species (WoRDSS).
Persephonaster echinulatus H.L. Clark, 1941. Accessed at: https://marinespecies.org/deepsea/aphia.php?p=taxdetails&id=178702 on 2026-03-08