Hemicystodinium zoharyi var. ktana
"var. ktana" (Rossignol, 1964, p.88, pl.2, figs.6–7,10; pl.3, fig.11) Harland and Downie, 1969, p.232. Holotype: Rossignol, 1964, pl.2, fig.7. Combination not validly published: basionym not fully referenced. NOW Polysphaeridium zoharyi subsp. ktana. Originally Hystrichosphaeridium zoharyi var. ktana, subsequently Hemicystodinium zoharyi var. ktana (combination not validly published), thirdly Hemicystodinium zoharyi subsp. ktana, fourthly Polysphaeridium zoharyi subsp. ktana, fifthly Polysphaeridium subtile subsp. ktana. Taxonomic junior synonym (at subspecific rank): Hystrichosphaeridium? breviatum, according to Islam (1983b, p.343) — however, Masure and Foucher in Fauconnier and Masure (2004, p.309–310) retained Hystrichosphaeridium? breviatum. Age: Pleistocene.
Parent: Hemicystodinium zoharyi