Subgenus (Policordia) W. H. Dall, P. Bartsch & H. A. Rehder, 1939
(3-2-4-0-5-1-0-9-2-0-0-0-0) Ref. Bernard, 1979 p 63 [see also as Genus] uschakova G. P. Gorbunov, 1946 (3-2-4-0-5-1-0-9-2-1-0-0-0) Ref. Abbott, 1974 p 564 Bernard, 1979 p 63
(3-2-4-0-5-1-0-9-2-0-0-0-0) Ref. Bernard, 1979 p 63 [see also as Genus]
uschakova G. P. Gorbunov, 1946 (3-2-4-0-5-1-0-9-2-1-0-0-0) Ref. Abbott, 1974 p 564 Bernard, 1979 p 63