alta, Macdonaldia Gill [T. N.] & Townsend [C. H.] 1897:232 [Proceedings of the Biological Society of Washington v. 11; ref. 1749] Bering Sea, 54°54'00"N, 168°59'00"W, Albatross station 3604, depth 1401 fathoms. Holotype (unique): USNM 48774. Type catalog: Smith 1994:41 [ref. 21917]. •Synonym of Polyacanthonotus africana (Gilchrist & von Bonde 1924) -- (McDowell 1973:173 [ref. 24539]). •Synonym of Polyacanthonotus challengeri (Vaillant 1888) -- (Gon 1990:100 [ref. 21680], Mecklenburg et al. 2002:118 [ref. 25968], Parin et al. 2014:47 [ref. 33547]). Current status: Synonym of Polyacanthonotus challengeri (Vaillant 1888). Notacanthidae. Habitat: marine.