luzonensis, Malacocephalus Gilbert [C. H.] & Hubbs [C. L.] 1920:541, Fig. 35 [Bulletin of the United States National Museum No. 100, v. 1 (pt 7); ref. 1638] Off western Luzon Island, Philippines, Albatross station 5440, depth 172 fathoms. Holotype: USNM 83626. Paratypes: (4) USNM 135347 (1). •Valid as Malacocephalus luzonensis Gilbert & Hubbs 1920 -- (Iwamoto in Cohen et al. 1990:241 [ref. 18936], Iwamoto & Williams 1999:187 [ref. 23875], Iwamoto 1999:1992 [ref. 24761]). •Doubtfully valid; likely a synonym of Malacocephalus laevis (Lowe 1843) -- (Iwamoto in Randall & Lim 2000:595 [ref. 25122], Iwamoto & McMillan 2008:341 [ref. 30636], Iwamoto 2016:1985 [ref. 34585]). Current status: Valid as Malacocephalus luzonensis Gilbert & Hubbs 1920. Macrouridae. Distribution: Western Pacific [if valid]. Habitat: marine.