Set number: 1093

  • Cruxii 1
    10µm
Reticulofenestra wisei

Set number: 1012

  • Reticulofenestra cruxii 27181 1
  • Reticulofenestra cruxii 27182 2
  • Reticulofenestra cruxii 27183 3
  • Reticulofenestra cruxii 27184 4
    10µm
Reticulofenestra wisei, Middle Miocene, IODP Expedition 354, U1451B, Bengal Fan, Indian Ocean

Set number: 1011

  • Reticulofenestra cruxii 30488 1
  • Reticulofenestra cruxii 30487 2
  • Reticulofenestra cruxii 30491 3
  • Reticulofenestra cruxii 30489 4
    10µm
Reticulofenestra wisei, Middle Miocene, IODP Expedition 354, U1451B, Bengal Fan, Indian Ocean

Set number: 1010

  • Reticulofenestra cruxii 30480 1
  • Reticulofenestra cruxii 30482 2
  • Reticulofenestra cruxii 30485 3
  • Reticulofenestra cruxii 30477 4
  • Reticulofenestra cruxii 30481 5
  • Reticulofenestra cruxii 30483 6
  • Reticulofenestra cruxii 30486 7
  • Reticulofenestra cruxii 30478 8
    10µm
Reticulofenestra wisei, Middle Miocene, IODP Expedition 354, U1451B, Bengal Fan, Indian Ocean

Set number: 1009

  • Reticulofenestra wisei 30502 1
  • Reticulofenestra cruxii 30501 2
  • Reticulofenestra cruxii 30504 3
  • Reticulofenestra cruxii 30503 4
    10µm
Reticulofenestra wisei, Middle Miocene, IODP Expedition 354, U1451B, Bengal Fan, Indian Ocean
Final Epithet
Reticulofenestra wisei Varol, in prep.
Basionym

Reticulofenestra wisei Varol, in prep.

Synonyms

Cyclicargolithus minutus Denne, 2008 (nom. nud.) Invalid ICN Art. 38.1

Diagnosis

Small [< 5.0µm] circular species of Reiculofenestra Hay, Mohler & Wade (1966).

Description

Small [< 5.0µm] circular species of Reiculofenestra Hay, Mohler & Wade (1966) having narrow and indistinct tube cycle. In this study, we noted two variations based on the ratio of the central area to the pelaga; narrow central area (<width of pelaga) and wide central area (>width of the pelaga).

Remarks

Reticulofenestra wisei differs from Reiculofenestra bukryi (Wise, 1973) Varol, n. comb. by being smaller than 5.0µm whereas the overall size of the latter is 5.0-8.0µm.

Reiculofenestra wisei is distinguished from Reticulofenestra pospichalii de Kaenel & Bergen, in Boesiger et al. (2017) by having a narrower central area. In Reticulofenestra pospichalii the central area's diameter is at least twice greater than the width of the pelaga.

Reticulofenestra wisei is erroneously assigned to Reticulofenestra bukryi [calculated holotype size is 6.8µm].

References

Denne, R. A., (2008): Utilizing abundance changes of new and non-standard calcareous nannofossil taxa to increase biostratigraphic resolution in expanded continental margin deposits: Examples from the Middle and Lower Miocene of the Gulf of Mexico. - Transactions of the Gulf-Coast Association of Geological Societies. 58: 227-239.

Hay, W. W., Mohler, H. P. & Wade, M. E., (1966): Calcareous nannofossils from Nal'chik (northwest Caucasus). - Eclogae Geologicae Helvetiae. 59: 379-399.

Wise, S. W., (1973): Calcareous nannofossils from cores recovered during Leg 18, Deep Sea Drilling Project: biostratigraphy and observations on diagenesis. - Initial Reports of the Deep Sea Drilling Project. 18: 569-615.