Denisea subpertusa
Set number: 547
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Set number: 546
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Set number: 545
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Set number: 544
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10µm
Set number: 543
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Set number: 542
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Set number: 541
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Ericsonia subpertusa Hay & Mohler, 1967
Denisea specimens between 5.0–9.0 μm with a narrow central area are assigned to Denisea subpertusa. The diameter of the central area is less than the width of the pelaga.
Denisea subpertusa differs from the similarly sized Denisea aliquanta and Denisea foramena in that it has a narrower central area than the width of the pelaga. In contrast, in Denisea aliquanta, the central area diameter is greater than the width of the pelaga. The diameter of the central area is at least twice the width of the pelaga in Denisea foramena.
Hay, W. W. & Mohler, H. P. 1967, Calcareous nannoplankton from Early Tertiary rocks at Point Labau, France and Paleocene-Early Eocene correlations. Journal of Paleontology 41(6): 1505-1541.
Varol, O. 2022. Denisea, a new genus of Paleocene calcareous nannofossils. Neues Jahrbuch für Geologie und Paläontologie, Abhandlungen, 304/2 (2022): 159-186.
Holotype
Ericsonia subpertusa
Hay & Mohler, 1967
Late Paleocene
Pont Labau, France.