World Register of Marine Species (WoRMS)
McFadden, C.S.; Cordeiro, R.; Samimi-Namin, K.; Hoeksema, B.W., Williams, G.; van Ofwegen, L.P. (2026). World List of Octocorallia. Clavularia mikado Utinomi, 1955. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=517677 on 2026-08-02
Utinomi, H. (1955). On five new stoloniferans from Sagami Bay, collected by His Majesty the Emperor of Japan. Japanese Journal of Zoology. 11(3): 121-135.