Dinopterygium fehmarnense

"fehmarnense" (Lentin and Williams, 1973, p.67) Stover and Evitt, 1978, p.205.  Name not validly published: no holotype designated.  NOW Heteraulacacysta.  Originally Heteraulacacysta (name not validly published), subsequently Dinopterygium (name not validly published), thirdly (and now) Heteraulacacysta.  Age: Early Eocene.

Parent: Dinopterygium