Membranilarnacia tenella

?tenella Morgenroth, 1968, p.554-555, pl.48, figs.2-4. Holotype: Morgenroth, 1968, pl.48, figs.2-3. Originally Membranilarnacia, subsequently (and now) Membranilarnacia?. Questionable assignment: Stover and Evitt (1978, p.64). Age: Danian.