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Brotzenia
From Fensome et al., 2019:
"Brotzenia", Horowitz, 1975, p.25.
Taxonomic senior synonym: Dichadogonyaulax, by implication in Fensome and Sarjeant (1982, p.56), who transferred the "type species" of Brotzenia, Brotzenia cristata, to Dichadogonyaulax.
Taxonomic senior synonym: Ctenidodinium, according to Stover and Evitt (1978, p.203) -- however, Brotzenia is now considered a taxonomic junior synonym of Dichadogonyaulax.
Type: Horowitz, 1975, pl.1, fig.8, as Brotzenia cristata.
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Original description: [Horowitz, 1975]: (Translation: Fensome, 1991, p. 107):
Diagnosis:
Proximate dinoflagellate cyst. Shape ovoidal to hemispherical, ellipsoidal. Cingulum equatorial, clear, slightly helicoidal. Tabulation very distinct, sutures bearing a crest about 4-5 µm wide.
"Brotzenia", Horowitz, 1975, p.25.
Taxonomic senior synonym: Dichadogonyaulax, by implication in Fensome and Sarjeant (1982, p.56), who transferred the "type species" of Brotzenia, Brotzenia cristata, to Dichadogonyaulax.
Taxonomic senior synonym: Ctenidodinium, according to Stover and Evitt (1978, p.203) -- however, Brotzenia is now considered a taxonomic junior synonym of Dichadogonyaulax.
Type: Horowitz, 1975, pl.1, fig.8, as Brotzenia cristata.
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Original description: [Horowitz, 1975]: (Translation: Fensome, 1991, p. 107):
Diagnosis:
Proximate dinoflagellate cyst. Shape ovoidal to hemispherical, ellipsoidal. Cingulum equatorial, clear, slightly helicoidal. Tabulation very distinct, sutures bearing a crest about 4-5 µm wide.