Externí odkaz - vědecká synonyma
Diornatosphaera constricta Deunff 1954: Acanthodiacrodium constrictum Deunff 1954 emend. Deflandre et Deflandre-Rigaud, 1961
Hystrichosphaeridium eisenackianum Deunff, 1958: Baltisphaeridium eisenackianum (Deunff, 1958)
Hystrichosphaeridium trispinosum Eisenack, 1938: Veryhachium trispinosum (Eisenack, 1938)