Londeix et al., 1992
From dinoflaj2
Londeix, L., Benzakour, M. and de Vernal, A., 1992: Impagidinium bacatum, a new dinoflagellate cyst species from the Mediterranean Pliocene: systematics, biostratigraphy and paleoecology. Geobios, v.25, no.6, p.695-702.
