herzensteini, Hippoglossoides Schmidt [P. Yu.] 1904:229 [Fishes of the eastern seas of the Russian Empire; ref. 3946] Mauka, western Sakhalin Island; Peter the Great Bay, 55-63 m; and Wonsan, Korea, Seas of Japan. Syntypes: ?BMNH 1929.4.15.2 (1, ex ZIN 12363), ZIN 12361-65 (2, 1, 4 now 3, 1, 1). Type catalog: Voronina & Volkova 2019:267 [ref. 37075]. •Synonym of Cleisthenes pinetorum Jordan & Starks 1904, but a valid subspecies -- (Sakamoto in Masuda et al. 1984:351 [ref. 6441]). •Valid as Hippoglossoides herzensteini Schmidt 1904 -- (Lindberg & Fedorov 1993:94 [ref. 21500], Sokolovskaya et al. 1998:14 [ref. 24670]). •Synonym of Cleisthenes pinetorum Jordan & Starks 1904 -- (Vinnikov et al. 2018:158 [ref. 35844]). •Valid as Cleisthenes herzensteini (Schmidt 1904) -- (Kim & Youn 1994:110 [ref. 22286], Li & Wang 1995:225 [ref. 16193], Cheng & Zhou 1997:447 [ref. 26385], Cooper & Chapleau 1998:707 [ref. 26711], Wang et al. 2001:307 [ref. 26566], Evseenko 2003:S60 [ref. 28535], Evseenko 2004:3 [ref. 27606], Parin et al. 2014:528 [ref. 33547], Dyldin & Orlov 2017:194 [ref. 35257], Badaev & Chernienko 2022:845 [ref. 39976], Redin & Kartavtsev 2022:19 [ref. 39989]). Current status: Valid as Cleisthenes herzensteini (Schmidt 1904). Pleuronectidae: Pleuronectinae. Distribution: Northwestern Pacific: Yellow Sea (China, Korea), Sea of Japan (Korea, Russia, Japan), and Pacific coast of northern Japan, Kuril Islands and southeastern Sakhalin (Russia). Habitat: brackish, marine.