Tetrachacysta biconvexa subsp. biconvexa
From dinoflaj3
subsp. biconvexa. Autonym. Holotype: Jiabo, 1978, pl.29, fig.21. Originally Horologinella biconvexa subsp. biconvexa, subsequently (and now) Tetrachacysta biconvexa subsp. biconvexa.
Parent: Tetrachacysta biconvexa