SN2000 author citation | : | |
(Størmer, 1944) M.F. Glaessner, 1984 |
Unavailable subsequent rank (orig. spell.) | : | |
Bergström, J. 1971. Lethaia 4, 15 Oct 1971: 400 ("Subphylum or Superclass"). |
Subsequent rank (orig. spell.) | : | |
Glaessner, M.F. 1984. The dawn of animal life. Cambridge University Press, Cambridge: 53. |