Sarjeant, 1983
From dinoflaj3
Sarjeant, W.A.S., 1983: A restudy of some dinoflagellate cyst holotypes in the University of Kiel collections. IV. The Oligocene and Miocene holotypes of Dorothea Maier (1959). Meyniana, v.35, p.85-137, pl.1-7.