MolluscaBase eds. (2024). MolluscaBase. Ungulinidae Gray, 1854. Accessed through: Glover, A.G.; Higgs, N.; Horton, T. (2024) World Register of Deep-Sea species (WoRDSS) at: https://marinespecies.org/Deepsea/aphia.php?p=taxdetails&id=220 on 2024-04-19
Glover, A.G.; Higgs, N.; Horton, T. (2024). World Register of Deep-Sea species (WoRDSS). Ungulinidae Gray, 1854. Accessed at: https://marinespecies.org/deepsea/aphia.php?p=taxdetails&id=220 on 2024-04-19