Cleisthenes Jordan [D. S.] & Starks [E. C.] 1904:622 Masc. Cleisthenes pinetorum Jordan & Starks 1904. Type by original designation (also monotypic). •Synonym of Hippoglossoides Gottsche 1835 -- (Lindberg & Fedorov 1993:92 [ref. 21500]). •Valid as Cleisthenes Jordan & Starks 1904 -- (Norman 1934:304 [ref. 6893], Ahlstrom et al. 1984:643 [ref. 13641], Sakamoto in Masuda et al. 1984:351 [ref. 6441], Li & Wang 1995:225 [ref. 16193], Cooper & Chapleau 1998:706 [ref. 26711], Evseenko 2003:S59 [ref. 28535], Evseenko 2004:3 [ref. 27606], Parin et al. 2014:528 [ref. 33547], Dyldin & Orlov 2017:194 [ref. 35257], Vinnikov et al. 2018:159 [ref. 35844]). Current status: Valid as Cleisthenes Jordan & Starks 1904. Pleuronectidae: Pleuronectinae.