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Apectodinium quinquelatum

Apectodinium quinquelatum (Williams and Downie, 1966b, p.191-192, pl.18, fig.7) Costa and Downie, 1979, p.43.

TYPE: Holotype: Williams and Downie, 1966b, pl.18, fig.7.

HISTORY: Originally Wetzeliella homomorpha var. quinquelata, subsequently Wetzeliella homomorpha subsp. quinquelata, thirdly Apectodinium homomorphum subsp. quinquelatum, fourthly Wetzeliella quinquelata, fifthly (and now) Apectodinium quinquelatum.

SYNONYM(S): Taxonomic senior synonym (at specific rank): Hystrichosphaeridium (now Apectodinium) geometricum, by implication in Harland (1979c, p.67), who considered the latter to be the junior name - however, Lentin and Williams (1989, p.18) retained Apectodinium quinquelatum.

AGE: Early Eocene.


Infraspecific taxa:


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