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Tetrachacysta keenei

Tetrachacysta? keenei N.G. Marshall, 1989, p.51-52, pl.7, figs.1-12; text-figs.15A-C.

TYPE: Holotype: N.G. Marshall, 1989, pl.7, figs.5-7; text-fig.15B; Fensome et al., 1996, figs.4-6,11 - p.2179.

HISTORY: Questionable assignment: N.G. Marshall (1989, p.51).

AGE: Turonian-Early Santonian.


Infraspecific taxa:


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DINOFLAJ (c) 1998