MolluscaBase eds. (2024). MolluscaBase.
Costaclis egregia (Dall, 1889). 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=532666 on 2024-11-02
Glover, A.G.; Higgs, N.; Horton, T. (2024). World Register of Deep-Sea species (WoRDSS).
Costaclis egregia (Dall, 1889). Accessed at: https://www.marinespecies.org/DeepSea/aphia.php?p=taxdetails&id=532666 on 2024-11-02