Membranophoridium aspinatum
From dinoflaj3
*aspinatum Gerlach, 1961, p.199–201, pl.29, figs.7–8. Holotype: designated by Gerlach (1961), but not clearly related to an illustration. Lectotype: Gerlach, 1961, pl.29, fig.7; Fensome et al., 1993a, fig.1 — p.945; designated by Gocht (1969, p.61). Originally (and now) Membranophoridium, subsequently Chiropteridium. Age: middle Oligocene.
