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Ambonosphaera jurassica

"Ambonosphaera jurassica" (Gitmez and Sarjeant, 1972, p.240-241, pl.14, figs.5,8) Fensome, 1979, p.51.

EMENDATION: Poulsen and Riding, 1992, p.28, as Synoniasphaera jurassica.

TYPE: Holotype: Gitmez and Sarjeant, 1972, pl.14, fig.5; Poulsen and Riding, 1992, text-figs.3C-D.

HISTORY: NOW: Senoniasphaera. Originally Hexagonifera, subsequently (and now) Senoniasphaera, thirdly Ambonosphaera.

SYNONYM(S): Taxonomic senior synonym: Meiourogonyaulax (now Lithodinia?) staffinensis, according to Williams et al. (1993, p.32) - however, in the same publication, Williams et al. (1993, p.56) retained Hexagonifera (now Senoniasphaera) jurassica.

AGE: Kimmeridgian.


Infraspecific taxa:


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