1951
Actinostroma himmestum n. sp. — Riabinin, pp. 8, fig. 1:1-5; 2:1-2
1966
Densastroma himmestum (Riabinin, 1951) — Nestor
, pp. 40, fig. 13:5-6; 15:3-4 1973
Densastroma himmestum (Riabinin,1951) — Bolshakova, pp. 74, fig. 9:1-2
1973
Densastroma himmestum (Riabinin), 1951 — Bogoyavlenskaya, pp. 40 , fig. 15:1