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Polysphaeridium tribrachiosum

"Polysphaeridium? tribrachiosum" (Tasch in Tasch et al., 1964, p.195, pl.1, fig.3) Davey and Williams, 1969, p.7.

TYPE: Holotype: Tasch et al., 1964, pl.1, fig.3.

HISTORY: Originally Hystrichosphaeridium, subsequently Polysphaeridium?. Questionable assignment: Davey and Williams (1969, p.7).

SYNONYM(S): Taxonomic senior synonym: Hystrichosphaeridium (as and now Kiokansium) unituberculatum, according to Stover and Evitt (1978, p.76).

COMMENTS: This combination was not validly published in Davey and Williams (1966b, p.95), since these authors did not fully reference the basionym.

AGE: Albian.


Infraspecific taxa:


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DINOFLAJ (c) 1998