Hystrichosphaera ramosa var. granomembranacea Davey and Williams, 1966

Now Spiniferites ramosus ssp. granomembranaceus. Originally Hystrichosphaera ramosa var. granomembranacea, subsequently Spiniferites ramosus var. granomembranaceus, thirdly (and now) Spiniferites ramosus ssp. granomembranaceus.
Holotype: Davey and Williams, 1966, pl.4, fig.4; Bujak et al., 1980, pl.4, figs.10-11
Locus typicus: London Clay, Kent, England
Stratum typicum: Early Eocene

Original diagnosis: Davey and Williams, 1966, p. 37
A variety of H. ramosa (Ehrenberg) possessing a central body with a granular surface. Membranes well developed on plate boundaries particularly in cingular and polar regions.
Dimensions: holotype: diameter of central body 47 by 49 Ám, length of processes up to 20 Ám. Range: diameter of central body 41.5-56 Ám, length of processes up to 27 Ám.

Affinities:
Davey and Williams, 1966, p. 38: This variety is similar to H. ramosa var. membranacea except that the surface of the central body is granular.