Hystrichosphaeridium cooksoniae
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"cooksoniae" Singh, 1971, p.329-330, pl.51, figs.7-8; pl.52, figs.1-4. Emendation: Duxbury, 1980, p.120, as Florentinia cooksoniae. Holotype: Singh, 1971, pl.51, fig.7. NOW Kleithriasphaeridium. 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: Hystrichosphaeridium