Hoeksema, B. W.; Cairns, S. (2024). World List of Scleractinia.
Deltocyathus calcar Pourtalès, 1874. Accessed through: Glover, A.G.; Higgs, N.; Horton, T. (2024) World Register of Deep-Sea species (WoRDSS) at: https://www.marinespecies.org/DeepSea/aphia.php?p=taxdetails&id=286791 on 2024-03-29
Glover, A.G.; Higgs, N.; Horton, T. (2024). World Register of Deep-Sea species (WoRDSS).
Deltocyathus calcar Pourtalès, 1874. Accessed at: https://marinespecies.org/deepsea/aphia.php?p=taxdetails&id=286791 on 2024-03-29