Species that contain: Megalocottus and platycephalus [ 5 ] records

ijimai, Porocottus Tanaka [S.] 1908:39 [244], Pl. 9 (figs. 3-4) [Dobutsugaku Zasshi = Zoological Magazine Tokyo v. 20; ref. 14360] Mouth of Susuya River, Sakhalin Island, Russia. Holotype: ZUMT 21700 [ex ZUMT 1388]. Paratypes: (3) FMNH 71846 [ex ZUMT 1389] (1), ZUMT (2 or 3, lost). Appeared first as above in Japanese. Then in English version in Tanaka 1908:244, Pl. 9 (figs. 3-4) [see ref. 14360]. •Synonym of Myoxocephalus platycephalus (Pallas 1814), subspecies taeniopterus (Kner 1868) -- (Berg 1949:1128 [ref. 20662]). •Valid as Porocottus ijimai Tanaka 1908 -- (Watanabe 1960:95 [ref. 11959]). •Synonym of Megalocottus platycephalus (Pallas 1814), subspecies taeniopterus (Kner 1868) -- (Neelov 1979:130 [ref. 3152]). •Synonym of Megalocottus platycephalus (Pallas 1814) -- (Parin et al. 2002:S79 [ref. 28300]). •Synonym of Megalocottus taeniopterus (Kner 1868) -- (Parin et al. 2014:258 [ref. 33547], Dyldin & Orlov 2017:64 [ref. 35138] with question). Current status: Synonym of Megalocottus taeniopterus (Kner 1868). Psychrolutidae: Myoxocephalinae. Habitat: marine.

laticeps, Acanthocottus Gilbert [C. H.] 1896:422, Pls. 26-27 [United States Commission of Fish and Fisheries, Report of the Commissioner v. 19 (for 1893) (art. 6); ref. 1628] Nushagak River [lectotype] and Herendeen Bay, Alaska, U.S.A. Lectotype. Paralectotypes (incl. potential lectotype): BMNH 1896.4.23.48 (1), MCZ 28218 (1), CAS-SU 3016 (4), USNM 48651 (1), ZMUO J1399 (1) station 3232. Type catalog: Böhlke 1953:126 [ref. 12291], Pethon 1969:7 [ref. 19268]. Lectotype established (as figured specimen) in caption to Pl. 299, p. 3293 in Jordan & Evermann 1900 [ref. 2446] if figured specimen is identifiable •Synonym of Megalocottus platycephalus (Pallas 1814) -- (Neelov 1979:130 [ref. 3152], Sheiko & Fedorov 2000:28 [ref. 25650], Mecklenburg et al. 2002:475 [ref. 25968], Parin et al. 2002:S79 [ref. 28300], Parin et al. 2014:258 [ref. 33547], Mecklenburg et al. 2016:73 [ref. 34440]). Current status: Synonym of Megalocottus platycephalus (Pallas 1814). Psychrolutidae: Myoxocephalinae. Habitat: brackish, marine.

nigrescens, Porocottus Tanaka [S.] 1908:37 [241], Pl. 9 (figs. 1-2) [Dobutsugaku Zasshi = Zoological Magazine Tokyo v. 20; ref. 14360] Southern part of Sakhalin Island, western Okhotsk Sea. Holotype (unique): ZUMT 1387 [= ZUMT 21699]. Appeared first as above in Japanese. Then in English version in Tanaka 1908:241, Pl. 9 (figs. 1-2) [see ref. 14360]. •Valid as Porocottus nigrescens Tanaka 1908 -- (Watanabe 1960:93 [ref. 11959]). •Synonym of Myoxocephalus platycephalus (Pallas 1814), subspecies taeniopterus (Kner 1868) -- (Berg 1949:1128 [ref. 20662]). •Synonym of Megalocottus platycephalus (Pallas 1814), subspecies taeniopterus (Kner 1868) -- (Neelov 1979:130 [ref. 3152]). •Synonym of Megalocottus platycephalus (Pallas 1814) -- (Parin et al. 2002:S79 [ref. 28300]). •Synonym of Megalocottus taeniopterus (Kner 1868) -- (Parin et al. 2014:258 [ref. 33547], Dyldin & Orlov 2017:64 [ref. 35138] with question). Current status: Synonym of Megalocottus taeniopterus (Kner 1868). Psychrolutidae: Myoxocephalinae. Habitat: marine.

platycephalus, Cottus Pallas [P. S.] 1814:135 [Zoographia Rosso-Asiatica v. 3; ref. 3351] Kamchatka, Russia; America; Okhotsk Sea. Lectotype: ZMB 4756. Syntypes: ZMB 4756 (1, dry). Type catalog: Paepke & Fricke 1992:283 [ref. 19946]. Lectotype designated by Svetovidov 1978:27 [ref. 6025]. •Valid as Myoxocephalus platycephalus (Pallas 1814) -- (Berg 1949:1127 [ref. 20662]). •Valid as Megalocottus platycephalus (Pallas 1814) -- (Neelov 1979:130 [ref. 3152], Pietsch et al. 2001:145 [ref. 25688], Reshetnikov et al. 1997:759 [ref. 24702], Sideleva 1998:152 [ref. 23595], Sheiko & Fedorov 2000:28 [ref. 25650], Zemnukhov et al. 2001:420 [ref. 25412], Mecklenburg et al. 2002:475 [ref. 25968], Parin et al. 2002:S79 [ref. 28300], Fedorov et al. 2003:73 [ref. 27579], Nelson et al. 2004:120 [ref. 27807], Bogutskaya & Naseka 2004:190 [ref. 28183], Love et al. 2005:89 [ref. 37547], Mecklenburg et al. 2007:183 [ref. 29448], Page et al. 2013:124 [ref. 32708], Parin et al. 2014:257 [ref. 33547], Mecklenburg & Steinke 2015:164 [ref. 34033], Mecklenburg et al. 2016:72 [ref. 34440], Kells et al. 2016:182 [ref. 35888], Mecklenburg et al. 2018:209 [ref. 36370], Love et al. 2021:123 [ref. 39279]). Current status: Valid as Megalocottus platycephalus (Pallas 1814). Psychrolutidae: Myoxocephalinae. Distribution: North Pacific and Arctic region: northern Sea of Japan and Sea of Okhotsk north to Bering Sea. Habitat: brackish, marine.

taeniopterus, Cottus Kner [R.] 1868:28 [Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften. Mathematisch-Naturwissenschaftliche Classe v. 58 (nos 1-2); ref. 6074] Decastris Bay near Amur River mouth, northeastern Asia. Holotype (unique): NMW 11612. Appeared in more detail in Kner 1868:310 [p. 18 of separate], Pl. 4 (fig. 10) [ref. 2646]. •Synonym of Myoxocephalus platycephalus (Pallas 1814), but a valid subspecies -- (Berg 1949:1128 [ref. 20662], Zhu 1995:189 [ref. 25213]). •Synonym of Megalocottus platycephalus (Pallas 1814), but a valid subspecies -- (Neelov 1979:130 [ref. 3152], Lindberg & Krasyukova 1987:212 [ref. 15964], Nikiforov et al. 1997:330 [ref. 24694], Reshetnikov et al. 1997:759 [ref. 24702], Sideleva 1998:153 [ref. 23595], Sokolovskaya et al. 1998:9 [ref. 24670], Bogutskaya & Naseka 2004:190 [ref. 28183]). •Synonym of Megalocottus platycephalus (Pallas 1814) -- (Mecklenburg et al. 2002:475 [ref. 25968], Parin et al. 2002:S79 [ref. 28300], Mecklenburg et al. 2016:73 [ref. 34440]). •Valid as Megalocottus taeniopterus (Kner 1868) -- (Bogutskaya et al. 2008:352 [ref. 30085], Parin et al. 2014:258 [ref. 33547], Dyldin & Orlov 2017:64 [ref. 35138], Dyldin et al. 2021:65 [ref. 38804], Dyldin & Orlov 2022:47 [ref. 38972]). Current status: Valid as Megalocottus taeniopterus (Kner 1868). Psychrolutidae: Myoxocephalinae. Distribution: Northwestern Pacific. Habitat: marine.