Stiphrosphaeridium sarjeantii
From dinoflaj3
"sarjeantii" (Gitmez, 1970, p.291–292, pl.11, fig.4; text-fig.25) Courtinat, 1989, p.172. Holotype: Gitmez, 1970, pl.11, fig.4; text-fig.25; Fauconnier and Masure, 2004, pl.26, fig.7. NOW Emmetrocysta. Originally Polystephanephorus, subsequently (and now) Emmetrocysta, thirdly Hystrichosphaerina, fourthly Stiphrosphaeridium. Age: early Kimmeridgian.
Parent: Stiphrosphaeridium