Bicolumnus scrippsae

(Bukry & Percival, 1971) Varol, n. comb. Jul 10, 2021

Set number: 4659

  • Bicolumnus scrippsae VR 33524 1
  • Bicolumnus scrippsae VR 33525 2
  • Bicolumnus scrippsae VR 33526 3
  • Bicolumnus scrippsae VR 33527 4
  • Bicolumnus scrippsae VR 33528 5
  • Bicolumnus scrippsae VR 33529 6
  • Bicolumnus scrippsae VR 33530 7
  • Bicolumnus scrippsae VR 33531 8
  • Bicolumnus scrippsae VR 33532 9
  • Bicolumnus scrippsae VR 33533 10
  • Bicolumnus scrippsae VR 33534 11
  • Bicolumnus scrippsae VR 33535 12
  • Bicolumnus scrippsae VR 33536 13
  • Bicolumnus scrippsae VR 33537 14
  • Bicolumnus scrippsae VR 33538 15
  • Bicolumnus scrippsae VR 33539 16
  • Bicolumnus scrippsae VR 33540 17
  • Bicolumnus scrippsae VR 33541 18
  • Bicolumnus scrippsae VR 33542 19
  • Bicolumnus scrippsae VR 33543 20
  • Bicolumnus scrippsae VR 33544 21
  • Bicolumnus scrippsae VR 33545 22
  • Bicolumnus scrippsae VR 33546 23
  • Bicolumnus scrippsae VR 33547 24
  • Bicolumnus scrippsae VR 33548 25
  • Bicolumnus scrippsae VR 33549 26
  • Bicolumnus scrippsae VR 33550 27
  • Bicolumnus scrippsae VR 33551 28
  • Bicolumnus scrippsae VR 33552 29
  • Bicolumnus scrippsae VR 33553 30
  • Bicolumnus scrippsae VR 33554 31
  • Bicolumnus scrippsae VR 33555 32
  • Bicolumnus scrippsae VR 33556 33
  • Bicolumnus scrippsae VR 33557 34
  • Bicolumnus scrippsae VR 33558 35
  • Bicolumnus scrippsae VR 33559 36
  • Bicolumnus scrippsae VR 33560 37
    10µm
Bicolumnus scrippsae, Middle Oligocene, DSDP Leg 25, Site 242, Mozambique Channel (Davie Ridge), Indian Ocean

Set number: 643

  • Bicolomnus scrippsae VR 24319 1
  • Bicolomnus scrippsae VR 24320 2
  • Bicolomnus scrippsae VR 24324 3
  • Bicolomnus scrippsae VR 24334 4
  • Bicolomnus scrippsae VR 24318 5
  • Bicolomnus scrippsae VR 24321 6
  • Bicolomnus scrippsae VR 24322 7
  • Bicolomnus scrippsae VR 24333 8
  • Bicolomnus scrippsae VR 24330 9
  • Bicolomnus scrippsae VR 24329 10
  • Bicolomnus scrippsae VR 24331 11
  • Bicolomnus scrippsae VR 24332 12
    10µm
Bicolumnus scrippsae, Late Eocene, DSDP Leg 25, Site 242, Mozambique Channel (Davie Ridge), Indian Ocean

Set number: 642

  • Bicolomnus scrippsae VR 24339 1
  • Bicolomnus scrippsae VR 24335 2
  • Bicolomnus scrippsae VR 24341 3
  • Bicolomnus scrippsae VR 24354 4
  • Bicolomnus scrippsae VR 24338 5
  • Bicolomnus scrippsae VR 24336 6
  • Bicolomnus scrippsae VR 24342 7
  • Bicolomnus scrippsae VR 24352 8
  • Bicolomnus scrippsae VR 24347 9
  • Bicolomnus scrippsae VR 24349 10
  • Bicolomnus scrippsae VR 24350 11
  • Bicolomnus scrippsae VR 24351 12
    10µm
Bicolumnus scrippsae, Late Eocene, DSDP Leg 25, Site 242, Mozambique Channel (Davie Ridge), Indian Ocean
Final Epithet
Bicolumnus scrippsae (Bukry & Percival, 1971) Varol, n. comb.
Basionym

Dictyococcites scrippsae Bukry & Percival, 1971

Holotype

The calculated size of the holotype is approximately 9.5 µm.

Remarks

In this study, specimens exceeding 8.0 µm are assigned to Bicolumnus scrippsae, whereas those smaller than 8.0 µm are assigned to Bicolumnus ovatus.

References

Bukry, D. & Percival, S. F. 1971. New Tertiary calcareous nannofossils. Tulane Studies in Geology and Paleontology 8: 123-146.

Wei, W. & Wise, S. W. 1990. Middle Eocene to Pleistocene calcareous nannofossils recovered by Ocean Drilling Program leg 113 in the Weddell Sea. Proceedings of the Ocean Drilling Program, Scientific Results 113: 639-666.

Taxonomy
Bicolumnus
Uncategorised
Biostratigraphy
  • Phanerozoic
    • Cenozoic
      • Paleogene
        • Oligocene
          • Middle Oligocene
            • Rupelian
        • Eocene
          • Middle Eocene
            • Lutetian
Stratigraphic Range
Lutetian - Rupelian
Age (Ma)
48.07? - 27.29?
Holotype
D scrippsae1 D scrippsae2

Dictyococcites scrippsae Bukry & Percival, 1971

Middle Eocene - Late Oligocene

Red Bluff Clay, Chickaswhai River, Shubuta, Mississippi, USA