Kleithriasphaeridium cooksoniae

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