Membranilarnacia pterospermoides

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"?pterospermoides" (Wetzel, 1933b, p.52, pl.6, figs.1–2) Downie and Sarjeant, 1965, p.130.  Emendation: Sarjeant, 1985b, p.152, as Membranilarnax pterospermoides.  Holotype: Wetzel, 1933b, pl.6, fig.2 (not fig.1); Sarjeant, 1985b, pl.6, figs.3–4; Fensome et al., 1995, fig.1 — p.1715.  Combination illegitimate: this is the "type species" of the senior name MembranilarnaxNOW Membranilarnax.  Originally (and now) Membranilarnax, subsequently Membranilarnacia? (combination illegitimate).  Questionable assignment: Downie and Sarjeant (1965, p.130).  Age: Late Cretaceous.

Parent: Membranilarnacia