Kleithriasphaeridium cooksoniae
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cooksoniae (Singh, 1971, p.329–330, pl.51, figs.7–8; pl.52, figs.1–4) Fensome et al., 2009, p.40. Emendation: Duxbury, 1980, p.120, as Florentinia cooksoniae. Holotype: Singh, 1971, pl.51, fig.7. Originally Hystrichosphaeridium, subsequently Florentinia, thirdly Litosphaeridium, fourthly (and now) Kleithriasphaeridium. Taxonomic senior synonym: Hystrichosphaeridium (as Florentinia) mantellii, according to Below (1982c, p.8) — however, Lentin and Williams (1985, p.135) retained Florentinia cooksoniae. Taxonomic junior synonym: Hystrichosphaeridium cylindratum, according to Harker and Sarjeant (1975, p.225–226). Age: late Albian.
Parent: Kleithriasphaeridium