Ambonosphaera staffinensis

?staffinensis (Gitmez, 1970, p.276–278, pl.3, fig.1; text-figs.20A–B) Poulsen and Riding, 1992, p.26.  Emendation: Poulsen and Riding, 1992, p.26, as Ambonosphaera? staffinensis.  Holotype: Gitmez, 1970, pl.3, fig.1; text-figs.20A–B; Poulsen and Riding, 1992, pl.1, fig.6; text-figs.1A–B.  Originally Meiourogonyaulax, subsequently Lithodinia, thirdly Polygonifera, fourthly (and now) Ambonosphaera?, fifthly Lithodinia?.  Williams et al. (1998, p.39) retained this species in Ambonosphaera?.  Questionable assignment: Poulsen and Riding (1992, p.26).  Taxonomic junior synonym: Senoniasphaera? frisia, according to Poulsen and Riding (1992, p.26); Hexagonifera (now Senoniasphaera) jurassica, according to Williams et al. (1993, p.32) — however, elsewhere in the same publication, Williams et al. (1993, p.56) retained Hexagonifera (now Senoniasphaera) jurassica.  Age: early Kimmeridgian.

Parent: Ambonosphaera