Helicosphaerella compacta

(Bramlette & Wilcoxon, 1967) Aubry, Liu, de Vargas, & Probert in Aubry & Bord, 2009 Apr 10, 2021

Set number: 1647

  • Helicosphaerella compacta VR 027542 1
  • Helicosphaerella compacta VR 027539 2
  • Helicosphaerella compacta VR 027532 3
  • Helicosphaerella compacta VR 027535 4
  • Helicosphaerella compacta VR 027541 5
  • Helicosphaerella compacta VR 027540 6
  • Helicosphaerella compacta VR 027533 7
  • Helicosphaerella compacta VR 027534 8
  • Helicosphaerella compacta VR 027536 9
  • Helicosphaerella compacta VR 027537 10
  • Helicosphaerella compacta VR 027556 11
  • Helicosphaerella compacta VR 027550 12
  • Helicosphaerella compacta VR 027555 13
  • Helicosphaerella compacta VR 027554 14
  • Helicosphaerella compacta VR 027553 15
  • Helicosphaerella compacta VR 027552 16
  • Helicosphaerella compacta VR 027543 17
  • Helicosphaerella compacta VR 027545 18
  • Helicosphaerella compacta VR 027546 19
  • Helicosphaerella compacta VR 027548 20
  • Helicosphaerella compacta VR 027544 21
  • Helicosphaerella compacta VR 027549 22
  • Helicosphaerella compacta VR 027547 23
    10µm
DSDP Leg 25, Site 242, Mozambique Channel (Davie Ridge), Indian Ocean
Final Epithet
Helicosphaerella compacta (Bramlette & Wilcoxon, 1967) Aubry, Liu, de Vargas, & Probert in Aubry & Bord, 2009
Basionym

Helicosphaera compacta Bramlette & Wilcoxon, 1967

Synonyms

Helicosphaera disrupta de Kaenel & Bergen in Boesiger et al., 2017 is possibly reworked Helicosphaerella compacta.

References

Aubry, M. -P. & Bord, D. 2009. Reshuffling the cards in the photic zone at the Eocene/Oligocene boundary. In: Koeberl, C., Montanari, A. (eds), The Late Eocene Earth-Hothouse, Icehouse, and Impacts. Geological Society of America, Special Papers 452: 279-301.

Bramlette, M. N. & Wilcoxon, J. A. 1967. Middle Tertiary calcareous nannoplankton of the Cipero section, Trinidad, W.I. Tulane Studies in Geology and Paleontology 5: 93-131.

Taxonomy
Helicosphaerella
Biostratigraphy
  • Phanerozoic
    • Cenozoic
      • Paleogene
        • Oligocene
          • Middle Oligocene
            • Rupelian
        • Eocene
          • Middle Eocene
            • Lutetian
Stratigraphic Range
Lutetian - Rupelian
Age (Ma)
41.40 - 27.30
Holotype
Helicosphaerella compacta VR 027539 Helicosphaerella compacta VR 027539

Helicosphaera compacta Bramlette & Wilcoxon, 1967

Early Oligocene

Cipero Section, Trinidad