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Adnatosphaeridium filiferum

Adnatosphaeridium filiferum (Cookson and Eisenack, 1958, p.46, pl.7, fig.4) Williams and Downie, 1969, p.17.

TYPE: Holotype: Cookson and Eisenack, 1958, pl.7, fig.4.

HISTORY: Originally Cannosphaeropsis utinensis subsp. filifera, subsequently Cannosphaeropsis filifera, thirdly (and now) Adnatosphaeridium filiferum.

COMMENTS: This combination was not validly published in Williams and Downie (1966c, p.218), since these authors did not fully reference the basionym.

AGE: Campanian-Early Maastrichtian.


Infraspecific taxa:


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