Braarudosphaera bigelowii

(Gran & Braarud, 1935) Deflandre, 1947 Jun 06, 2019

Braarudosphaera bigelowii, Early Miocene, Mut Basin, Turkey

Inner mold of coccosphere of Braarudosphaera bigelowii, Early Miocene, Mut Basin, Turkey

Set number: 1459

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Braarudosphaera bigelowii, Pleistocene, DSDP Leg 23, Site 229A, Red Sea

Set number: 30

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Braarudosphaera bigelowii, Late Turonian - Early Coniacian, Culver Cliff, Isle of Wight, England

Set number: 31

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Braarudosphaera bigelowii, - - Senonian, Arabian Peninsula (The specific location cannot be disclosed)

Set number: 28

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Braarudosphaera bigelowii, - - Senonian, Arabian Peninsula (The specific location cannot be disclosed)

Set number: 32

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Braarudosphaera bigelowii, Late Oligocene, Angola, West Africa

Set number: 33

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Braarudosphaera bigelowii, Late Oligocene, Angola, West Africa

Set number: 29

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Braarudosphaera bigelowii, Late Aptian, Eastern Gulf of Mexico

together with Acinodidemnum

Set number: 1116

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Braarudosphaera bigelowii, Early Paleocene, Kokaksu, Zonguldak, Turkey

coccosphere

Final Epithet

Braarudosphaera bigelowii (Gran & Braarud, 1935) Deflandre, 1947

Basionym

Pontosphaera bigelowii Gran & Braarud, 1935

Synonyms

Braarudosphaera deflandrei Lecal-Schlauder, 1949

Braarudosphaera deflandrei maroccana Lecal-Schlauder, 1951

Remarks

Species of Braarudosphaera with the pentagonal outline. The sutures meet the periphery off the middle in Braarudosphaera bigelowii, whilst the sutures meet the periphery at the middle in Braarudosphaera regularis Black (1973).

References

Black, M. 1973. British Lower Cretaceous Coccoliths. I-Gault Clay (Part 2). Palaeontographical Society Monograph 127: 49-112.

Deflandre, G. 1947a. Braarudosphaera nov. gen., type of a new family of current Coccolithophorids with composite elements. Weekly Proceedings of the Sessions of the Academy of Sciences, Paris. 225: 439-441.

Gran, H. H. & Braarud, T. 1935. A quantitative study of the phytoplankton in the Bay of Fundy and the Gulf of Maine (including observations on hydrography, chemistry and turbidity). Journal of the Biological Board of Canada. 1: 279-467.

Lecal-Schlauder, J. 1949. Notes preliminaires sur les coccolithophorides d'Afrique duNord. Bulletin de la Société d'Histoire Naturelle de l'Afrique du Nord. 4(5-6): 160-167.

Lecal-Schlauder, J. 1951. Recherches morphologiques et biologiques sur les Coccolithophorides Nord-Africains. Annales de l'Institut Océanographique, Monaco & Paris. 26: 255-362

Taxonomy

Braarudosphaera

Biostratigraphy

Stratigraphic Range

Late Barremian - Extant

Age (Ma)

121.75 - 0.00

Holotype

Pontosphaera bigelowii Gran & Braarud, 1935

Recent

Atlantic Ocean