WoRMS source details
Haq, B. U. (1971). Paleogene calcareous nannoflora. Part III. Oligocene of Syria. Stockholm Contributions in Geology. 25: 99-128.
453892
Haq, B. U.
1971
Paleogene calcareous nannoflora. Part III. Oligocene of Syria
Stockholm Contributions in Geology
25: 99-128
Publication
Date
action
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Helicopontosphaera perch-nielseniae Haq, 1971 † accepted as Helicosphaera obliqua Bramlette & Wilcoxon † (original description)