World Register of Marine Species (WoRMS)
WoRMS (2026). Hydrobates castro (Harcourt, 1851). Accessed at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=1806345 on 2026-08-29
Harcourt, E. V. (1851). A sketch of Madeira : containing information for the traveller, or invalid visitor / by Edward Vernon Harcourt.