Hexagonifera laticaudata

"?laticaudata" Vozzhennikova, 1967, p.125-126, pl.54, fig.1.  Holotype: Vozzhennikova, 1967, pl.54, fig.1; Lentin and Vozzhennikova, 1990, text-fig.30; lost according to Lentin and Vozzhennikova (1990, p.59).  NOW Leberidocysta?.  Originally Hexagonifera, subsequently Hexagonifera?, thirdly (and now) Leberidocysta?.  Questionable assignment: Lentin and Williams (1976, p.85).  Age: Santonian.

Parent: Hexagonifera