Citation: Nishio-Hamae, D.; Momma, K.; Ohnishi, M.; Inaba, S. (2022). Oxyyttrobetafite-(Y), Y2Ti2O6O, a new mineral of the pyrochlore supergroup in a pegmatite from Souri Valley, Komono, Mie Prefecture Japan. Journal of Mineralogical and Petrological Sciences, 117:013, pp. 1-6.