Amphorosphaeridium fenestratum var. fenestratum
From dinoflaj3
"var. fenestratum". Autonym. Holotype: Davey, 1969c, pl.3, figs.1–2; Fensome et al., 1993a, fig.1 — p.1187; figs.1–2 — p.1183. Now redundant.
Parent: Amphorosphaeridium fenestratum