Reháková and Michalík, 1996
From dinoflaj2
Reháková, D. and Michalík, J., 1996: Stomiosphaera or Orthopithonella? Cadosina or Obliquipithonella? Notes to ultrastructure and systematic position of some Jurassic-Cretaceous calcareous dinoflagellates from western Carpathians. Mineralia Slovaca, v.28, p.92-98, pl.1.
