Ceratolithus atlanticus

Perch-Nielsen, 1977 Sep 08, 2020

Set number: 278

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10µm

Ceratolithus atlanticus, Late Miocene, DSDP Leg 25, Site 242, Mozambique Channel (Davie Ridge), Indian Ocean

Set number: 279

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10µm

Ceratolithus atlanticus, Late Miocene, DSDP Leg 25, Site 242, Mozambique Channel (Davie Ridge), Indian Ocean

Final Epithet

Ceratolithus atlanticus Perch-Nielsen, 1977

Basionym

Ceratolithus? atlanticus Perch-Nielsen, 1977

Description

Large, delicate species of Ceratolithus with long apical spine formed by the straight horn. Curved horn also developed into the apical spine. Additional minor spines may ornament horns.

Remarks

Ceratolithus atlanticus differs from any other Ceratolithus Kamptner (1950) species by having well developed two apical spine

References

Kamptner, E., (1950): Über den submikroskopischen Aufbau der Coccolithen. - Anzeiger der Österreichische Akademie der Wissenschaften, Mathematische-Naturwissenschafliche Klasse, Wien. 87: 152-158.

Perch-Nielsen, K., (1977a): Albian to Pleistocene calcareous nannofossils from the Western South Atlantic, DSDP Leg 39. - Initial Reports of the Deep Sea Drilling Project. 39: 699-823.

Taxonomy

Ceratolithus

Biostratigraphy

Stratigraphic Range

Tortonian - Zanclean

Age (Ma)

10.57 - 5.22

Holotype

Ceratolithus atlanticus Perch-Nielsen, 1977

Early Pliocene

DSDP Leg 39, Sites 354, Ceará Rise, North Atlantic Ocean