Hystrichosphaeridium xanthiopyxides var. granulosum Deflandre, 1937

Now Prolixosphaeridium granulosum. Originally Hystrichosphaeridium xanthiopyxides var. granulosum, subsequently Baltisphaeridium granulosum, thirdly (and now) Prolixosphaeridium granulosum. See also Baltisphaeridium xanthiopyxides var. granulosum (combination not validly published).
Tax. sr. synonym of Tenua pilosa ssp. Iongispinosa (Sarjeant, 1961) Lentin and Williams, 1973, according to Sarjeant, 1976.
Tax. sr. synonym, by implication, of Prolixosphaeridium anasillum Erkmen and Sarjeant, 1980, which species is a tax. jr. synonym of Tenua pilosa ssp. Iongispinosa, according to Erkmen and Sarjeant, 1980.

Holotype: Deflandre, 1937, pl.16 [al. pl.13], fig.4
Age: Senonian