Tenua capitata
From dinoflaj3
"capitata" (Cookson and Eisenack, 1960b, p.252, pl.39, fig.9) Gitmez and Sarjeant, 1972, p.189. Holotype: Cookson and Eisenack, 1960b, pl.39, fig.9; Fauconnier and Masure, 2004, pl.66, fig.1. NOW Barbatacysta. Originally Hystrichosphaeridium, subsequently Prolixosphaeridium, thirdly Tenua Eisenack, fourthly Batiacasphaera, fifthly (and now) Barbatacysta. Age: Oxfordian–Kimmeridgian.
Parent: Tenua_Eisenack 1958a