Species that contain: Opisthocentrus and dybowskii [ 2 ] records

azumae, Abryois Jordan [D. S.] & Snyder [J. O.] 1902:486, Fig. 22 [Proceedings of the United States National Museum v. 25 (no. 1293); ref. 2516] Muroran, Japan. Holotype: CAS-SU 7078. Paratypes and/or additional material: CAS-SU 7097 (6), USNM 50294 (7). Type catalog: Böhlke 1953:99-100[ref. 12291], Springer & Anderson 1997:8 [ref. 22953]. But see Mecklenburg & Sheiko 2004:9 [ref. 27604] for type information. •Synonym of Opisthocentrus dybowski (Steindachner 1880) -- (Lindberg & Krasyukova 1975:108 [ref. 7348]). •Synonym of Pholidapus dybowskii (Steindachner 1880) -- (Shiogaki 1984:214 [ref. 5309], Mecklenburg & Sheiko 2004:9 [ref. 27604], Parin et al. 2014:448 [ref. 33547], Dyldin & Orlov 2017:75 [ref. 35138]). Current status: Synonym of Pholidapus dybowskii (Steindachner 1880). Opisthocentridae. Habitat: marine.

dybowskii, Centronotus Steindachner [F.] 1880:259 [22] [Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften. Mathematisch-Naturwissenschaftliche Classe v. 82 (1. Abth., no. 2); ref. 4230] Gulf of Strielok near Vladivostok, Russia. Syntypes: (several) NMW 75829 (2), whereabouts of others not known. On p. 22 of separate. •Valid as Opisthocentrus dybowski (Steindachner 1880) -- (Lindberg & Krasyukova 1975:108 [ref. 7348], Amaoka & Miki in Masuda et al. 1984:302 [ref. 6441] as dybowskii, Lavrova 1990:10 [ref. 20302]). •Valid as Pholidapus dybowskii (Steindachner 1880) -- (Sokolovskaya et al. 1998:12 [ref. 24670], Nakabo 2000:1052 [ref. 25182], Zemnukhov et al. 2001:420 [ref. 25412], Nakabo 2002:1052 [ref. 26193], Fedorov et al. 2003:125 [ref. 27579], Mecklenburg & Sheiko 2004:9 [ref. 27604], Parin et al. 2014:447 [ref. 33547], Dyldin & Orlov 2017:75 [ref. 35138], Dyldin & Orlov 2021:853 [ref. 38925], Dyldin et al. 2021:53 [ref. 38804]). Current status: Valid as Pholidapus dybowskii (Steindachner 1880). Opisthocentridae. Distribution: Northwestern Pacific: southern Kuril Islands and northwestern Okhotsk Sea to Hokkaido and northern Japan Sea. Habitat: brackish, marine.