Subgenus (Cetomya) W. H. Dall, 1889

(3-2-4-0-2-2-0-13-2-0-0-0-0)
Ref. Abbott, 1974 p 562
[see also as Genus]

albida W. H. Dall, 1886
(3-2-4-0-2-2-0-13-2-1-0-0-0)
White Poromya
Ref. Abbott, 1974 p 562
Amer. Fish. Soc., 1988 p 49

elongata W. H. Dall, 1886 [T]
(3-2-4-0-2-2-0-13-2-2-0-0-0)
Elongate Poromya
Ref. Abbott, 1974 p 562 d
Amer. Fish. Soc., 1988 p 49

tornata (J. G. Jeffreys, 1876)
(3-2-4-0-2-2-0-13-2-3-0-0-0)
Syn. Poromya (Poromya) isocardioides P. Dautzenberg & P. Fischer, 1897;
Poromya (Poromya) microdonta W. H. Dall, 1890;
Poromya (Poromya) sublevis A. E. Verrill, 1884
Ref. Abbott, 1974 p 562