Charlesdowniea coleothrypta subsp. rotundata
From dinoflaj3
"subsp. rotundata" (Châteauneuf and Gruas-Cavagnetto, 1978, p.68–69, pl.3, fig.5) Lentin and Vozzhennikova, 1989, p.227. Holotype: Châteauneuf and Gruas-Cavagnetto, 1978, pl.3, fig.5. NOW Charlesdowniea? rotundata. Originally Kisselevia coleothrypta subsp. rotundata, subsequently Charlesdowniea coleothrypta subsp. rotundata, thirdly (and now) Charlesdowniea? rotundata. Age: middle Eocene (Lutetian–Bartonian).
Parent: Charlesdowniea coleothrypta