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Kleithriasphaeridium porosispinum

Kleithriasphaeridium porosispinum Davey, 1982b, p.29-30, pl.10, figs.8-12.

TYPE: Holotype: Davey, 1982b, pl.10, figs.10-12.

HISTORY: Originally (and now) Kleithriasphaeridium, subsequently Tityrosphaeridium. Lentin and Williams (1985, p.209) retained this species in Kleithriasphaeridium.

AGE: Late Kimmeridgian-Late Ryazanian.


Infraspecific taxa:


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