Chiropteridium aspinatum
From dinoflaj2
"aspinatum" (Gerlach, 1961, p.199-201, pl.29, figs.7-8) Brosius, 1963, p.48. 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). NOW Membranophoridium. Originally (and now) Membranophoridium, subsequently Chriopteridium. Age: mid Oligocene.
Parent: Chiropteridium