Discoaster delicatus

Bramlette & Sullivan, 1961 Sept 14, 2026

Set number: 4541

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10µm

Discoaster delicatus, Late Paleocene, ODP Leg 129, Site 801A, Pigafetta Basin, Pacific Ocean

In the mobile mount.

Set number: 4542

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10µm

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

Set number: 4543

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10µm

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

Set number: 4544

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10µm

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

Set number: 4545

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10µm

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

In the mobile mount

Set number: 4546

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10µm

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

Final Epithet

Discoaster delicatus Bramlette & Sullivan, 1961

Basionym

Discoaster delicatus Bramlette & Sullivan, 1961

References

Bramlette, M. N. & Sullivan, F. R. 1961. Coccolithophorids and related nannoplankton of the Early Tertiary in California. Micropaleontology 7(2): 129-188.

Taxonomy

Discoaster

Neostellates produce interference colours

Neostellates, 3 to 6 long arm, with simple tips

Neostellates, 4 to 6 long arms with bifurcation

Neostellates, 4 to 8 arms with bifurcation

Neostellates, 6 short arms with simple tips

Discoaster stellulus

Neostellates, bulged central area with proximal ridges

Discoaster leios

Neostellates, bulged central area with sutural & proximal ridges

Neostellates, featureless central area with distal ridges

Neostellates, proximal ridges give rise to a third furcation

Neostellates, with distal & proximal knobs

Rosettes, >10 arms

Rosettes, proximal & distal processes, >10 arms

Stellates, 4 to 5 arms with bifurcation

Stellates, 5 to 9 arms with bifurcation & nodes

Discoaster wilcoxonii

Stellates, often curved arms with simple tips

Uncategorised

Biostratigraphy

Stratigraphic Range

Thanetian

Age (Ma)

58.65 - 57.00