Sphenanthias Weber [M.] 1913:210 Masc. Sphenanthias sibogae Weber 1913. Type by monotypy. •Tentatively valid as Sphenanthias Weber 1913 -- (Smith-Vaniz 2001:3332 [ref. 26130], Liao et al. 2009:522 [ref. 30453] but a synonym of Owstonia in their synonymy). •Valid as Sphenanthias Weber 1913 -- (Bineesh et al. 2011:64 [ref. 31609]). •Synonym of Owstonia Tanaka 1908 -- (Smith-Vaniz 1986:728 [ref. 5718], Prokofiev 2010:408 [ref. 32450], Endo et al. 2015:[6] [ref. 33765], Smith-Vaniz & Johnson 2016:27 [ref. 34879]). Current status: Synonym of Owstonia Tanaka 1908. Cepolidae: Owstoniinae.