Drugg, 1978
From dinoflaj2
Drugg, W.S., 1978: Some Jurassic dinoflagellate cysts from England, France and Germany. Palaeontographica, Abteilung B, v.168, no.1-3, p.61-79, pl.1-8.
Drugg, W.S., 1978: Some Jurassic dinoflagellate cysts from England, France and Germany. Palaeontographica, Abteilung B, v.168, no.1-3, p.61-79, pl.1-8.
