Dinogymnium cretaceum var. undulacostatum
From dinoflaj2
"var. undulacostatum" Boltenhagen, 1977, p.68-69, pl.10, figs.1a-c,2a-b,3a-b,4a-b,5a-b. Name not validly published: holotype not designated. Originally Dinogymnium cretaceum var. undulacostatum (name not validly published), subsequently Dinogymnium cretaceum subsp. undulacostatum (combination not validly published). Age: Turonian-Maastrichtian. Parent: Dinogymnium cretaceum
