Senoniasphaera frisia
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"?frisia" Raynaud, 1978, p.394, pl.1, fig.11. Holotype: Raynaud, 1978, pl.1, fig.11. Originally Senoniasphaera?, subsequently Sirmiodiniopsis. Questionable assignment: Raynaud (1978, p.394). Taxonomic senior synonym: Meiourogonyaulax (as Ambonosphaera?) staffinensis, according to Poulsen and Riding (1992, p.26). Age: Oxfordian–mid Valanginian.
Parent: Senoniasphaera