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Cernicysta helbyi

*Cernicysta helbyi (Morgan, 1980, p.26, pl.18, figs.4-7) Stover and Helby, 1987d, p.265.

EMENDATION: Stover and Helby, 1987d, p.265,267.

TYPE: Holotype: Morgan, 1980, pl.18, figs.4-6; Fensome et al., 1996, figs.1-3 - p.2149.

HISTORY: Originally Lithodinia, subsequently (and now) Cernicysta.

AGE: mid Aptian-Early Albian.


Infraspecific taxa:


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