Membranilarnax? pirus Deunff, 1959

This is presumably an acritarch.
Now Membranilarnacia?. Originally Membranilarnax?, subsequently (and now) Membranilarnacia?.
Deunff, 1959, questionably included this species in Membranilarnax.

Holotype: Deunff, 1959, pl.10, fig.93
Age: Ordovician (Caradoc)