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Nexosispinum vetusculum

Nexosispinum vetusculum (Davey, 1974, p.45, pl.1, figs.1-2) Davey, 1979b, p.558.

TYPE: Holotype: Davey, 1974, pl.1, fig.2.

HISTORY: Originally Adnatosphaeridium, subsequently Systematophora, thirdly (and now) Nexosispinum, fourthly Kiokansium. Prössl (1990, p.104) retained this species in Nexosispinum.

AGE: Early Barremian.


Infraspecific taxa:


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DINOFLAJ (c) 1998