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Dinogymnium cretaceum subsp. undulacostatum

"Dinogymnium cretaceum subsp. undulacostatum" (Boltenhagen, 1977, p.68-69, pl.10, figs.1a-c,2a-b,3a-b,4a-b,5a-b) Lentin and Williams, 1981, p.85.

STATUS: Combination not validly published: holotype not designated.

HISTORY: Originally Dinogymnium cretaceum var. undulacostatum (name not validly published), subsequently Dinogymnium cretaceum subsp. undulacostatum (combination not validly published).

AGE: Turonian-Maastrichtian.


Infraspecific taxa:


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