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Cleistosphaeridium polytrichum

"Cleistosphaeridium polytrichum" (Valensi, 1947, p.818, text-fig.4) Davey et al., 1969, p.16.

TYPE: Holotype: Valensi, 1947, text-fig.4.

HISTORY: NOW: Impletosphaeridium. Originally Hystrichosphaeridium, subsequently Baltisphaeridium (Appendix A), thirdly Cleistosphaeridium, fourthly (and now) Impletosphaeridium.

COMMENTS: This combination was not validly published in Davey et al. (1966, p.170), since these authors did not fully reference the basionym.

AGE: Late Bathonian.


Infraspecific taxa:


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