Hystrichosphaeridium dictyophorum Cookson and Eisenack 1958

Now Stiphrosphaeridium. Originally Hystrichosphaeridium, subsequently Oligosphaeridium, thirdly (and now) Stiphrosphaeridium.

Holotype: Cookson and Eisenack, 1958, pl.11, fig.14
Locus typicus: Omati, Papua, New Guinea
Stratum typicum: Late Jurassic

Original description: Cookson and Eisenack, 1958, p. 44
Shell sphaeroidal, provided with 10-15 appendages which have rather short, appearantly solid stems, and abruply delimited, widely expanded and open meshed terminal expansions with smooth, continuous edge.
Dimensions: Holotype: diameter of shell 71 Ám, overall diameter 140 Ám; appendages 42-47 Ám.