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Charlesdowniea fasciata
Charlesdowniea fasciata, (Rozen, 1965), Lentin and Vozzhennikova, 1989
Originally Wetzeliella clathrata var. fasciata, subsequently Wetzeliella clathrata ssp. fasciata, thirdly Kisselovia? clathrata ssp. fasciata, fourthly Kisselovia fasciata, fifthly (and now) Charlesdowniea fasciata.
Questionable assignment: Williams et al. (2015, p.302).
This taxon was raised to subspecies rank by Lentin and Williams, 1973, and to species rank by Costa and Downie, 1979.
Holotype: Rozen, 1965, pl.2, fig.13; text-fig.4
Age: Late Eocene
Originally Wetzeliella clathrata var. fasciata, subsequently Wetzeliella clathrata ssp. fasciata, thirdly Kisselovia? clathrata ssp. fasciata, fourthly Kisselovia fasciata, fifthly (and now) Charlesdowniea fasciata.
Questionable assignment: Williams et al. (2015, p.302).
This taxon was raised to subspecies rank by Lentin and Williams, 1973, and to species rank by Costa and Downie, 1979.
Holotype: Rozen, 1965, pl.2, fig.13; text-fig.4
Age: Late Eocene