HOME  Hierarchy  Table  Index  References

Systematophora placacantha var. ancyrea

"Systematophora placacantha var. ancyrea" (Cookson and Eisenack, 1965a, p.126, pl.14, figs.1-3) Strauss and Lund, 1992, p.173.

TYPE: Holotype: Cookson and Eisenack, 1965a, pl.14, fig.1.

STATUS: Combination not validly published: basionym not fully referenced.

HISTORY: NOW: Systematophora ancyrea. Originally (and now) Systematophora ancyrea, subsequently Systematophora placacantha var. ancyrea (combination not validly published).

SYNONYM(S): Taxonomic senior synonym: Hystrichosphaeridium (as and now Systematophora) placacanthum, according to Stover and Evitt (1978, p.84) - however, Lentin and Williams (1981, p.272) retained Systematophora ancyrea.

AGE: Late Eocene.


Infraspecific taxa:


Go up one level.
DINOFLAJ (c) 1998