Surculosphaeridium alagoense
From dinoflaj3
?alagoense (Regali et al., 1974, p.290, pl.24, fig.2) Lentin and Williams, 1981, p.270. Holotype: Regali et al., 1974, pl.24, fig.2. Originally Hystrichosphaeridium, subsequently (and now) Surculosphaeridium?. Questionable assignment: Lentin and Williams (1981, p.270) and Fauconnier and Pourtoy in Fauconnier and Masure (2004, p.519) as a problematic species. Age: middle Eocene–Miocene.
Parent: Surculosphaeridium