HOME  Hierarchy  Table  Index  References

Hystrichosphaeridium dictyostilum

"Hystrichosphaeridium dictyostilum" Menéndez, 1965, p.11-12, pl.2, fig.6; pl.3, figs.18-22.

EMENDATION: Sarjeant, 1981, p.115, as Areosphaeridium dictyostilum.

TYPE: Holotype: Menéndez, 1965, pl.2, fig.6; pl.3, figs.18-20.

HISTORY: NOW: Enneadocysta?. Originally Hystrichosphaeridium, subsequently Oligosphaeridium?, thirdly Areosphaeridium, fourthly (and now) Enneadocysta?.

SYNONYM(S): Taxonomic senior synonym: Hystrichosphaeridium (as Areosphaeridium) diktyoplokum, according to Eaton (1971, p.359) - however, Sarjeant (1981, p.115) retained Hystrichosphaeridium (as Areosphaeridium, now Enneadocysta. Taxonomic junior synonyms: Areosphaeridium (now Enneadocysta) arcuatum and Cordosphaeridium (as Areosphaeridium, now Cooksonidium, both according to Sarjeant (1981, p.115-116) - however, Lentin and Williams (1985, p.26) retained Areosphaeridium (now Enneadocysta) arcuatum and Cordosphaeridium (as Areosphaeridium, now Cooksonidium.

AGE: Late Jurassic.


Infraspecific taxa:


Go up one level.
DINOFLAJ (c) 1998