Discoaster nobilis

Set number: 1791

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10µm

Discoaster nobilis, Late Paleocene, DSDP Leg 39, Sites 354, Ceará Rise, North Atlantic Ocean

Set number: 1790

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Discoaster nobilis, Late Paleocene, DSDP Leg 25, Site 245, Mozambique Channel (Davie Ridge), Indian Ocean

Set number: 1789

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10µm

Discoaster nobilis, Late Paleocene, DSDP Leg 25, Site 245, Mozambique Channel (Davie Ridge), Indian Ocean

Set number: 1788

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10µm

Discoaster nobilis, Late Paleocene, DSDP Leg 25, Site 245, Mozambique Channel (Davie Ridge), Indian Ocean

Set number: 1787

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10µm

Discoaster nobilis, Late Paleocene, DSDP Leg 25, Site 245, Mozambique Channel (Davie Ridge), Indian Ocean

Set number: 1786

Discoaster nobilis, Late Paleocene, DSDP Leg 25, Site 245, Mozambique Channel (Davie Ridge), Indian Ocean

Final Epithet

Discoaster nobilis Martini, 1961

Basionym

Discoaster nobilis Martini, 1961

Remarks

The stellate species of Discoaster exhibits a gentle concave-convex structure. It consists of 7-10 segments joined along more than half of their length. The gently curved arms have a simple, rounded termination.

References

Martini, E. 1961. Nannoplankton aus dem Tertiär und der obersten Kreide von SW-Frankreich. Senckenbergiana Lethaea. 42: 1-32.

Taxonomy

Discoaster

Biostratigraphy

Stratigraphic Range

Late Paleocene - Early Eocene

Zone(s)

NP8 - NP10

Age (Ma)

67.50 - 55.60

Holotype

Discoaster nobilis Martini, 1961

Paleocene

Gan, Route de Rebenacq, talus Ouest, 2,950 km, France