Genus Plagioctenium W. H. Dall, 1898

(3-7-8-3-4-10-G4-0-71-0-0-0-0-0)
Syn. Plagiocetenium W. P. Woodring, 1925;
Plagiopectenium R. B. Stewart, 1930
Ref. Vokes, 1980 p 54