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Appendix A

Dilatisphaera laevigata

*Dilatisphaera laevigata T.R. Lister, 1970, p.66, pl.6, figs.10-12; text-figs.18,20d.

TYPE: Holotype: T.R. Lister, 1970, pl.6, fig.10.

HISTORY: Originally (and now) Dilatisphaera, subsequently Hystrichosphaeridium. Cramer and Diez (1979, p.76) retained this species in Dilatisphaera.

AGE: Silurian (Wenlock).


Infraspecific taxa:


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