Achomosphaera cracenospinosa
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"?cracenospinosa" (Davey and Williams, 1966b, p.87, pl.3, fig.3) Sarjeant, 1981, p.123. Holotype: Davey and Williams, 1966b, pl.3, fig.3; Bujak et al., 1980, pl.7, fig.9. NOW Cordosphaeridium?. Originally Cordosphaeridium, subsequently (and now) Cordosphaeridium?, thirdly Achomosphaera?. Questionable assignment: Sarjeant (1981, p.123). Age: Early Eocene.
Parent: Achomosphaera