MolluscaBase eds. (2024). MolluscaBase.
Cylichnium spatha (R. B. Watson, 1883). 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=420523 on 2024-10-19
Glover, A.G.; Higgs, N.; Horton, T. (2024). World Register of Deep-Sea species (WoRDSS).
Cylichnium spatha (R. B. Watson, 1883). Accessed at: https://www.marinespecies.org/DeepSea/aphia.php?p=taxdetails&id=420523 on 2024-10-19