Amaurolithus primus


Classification: ntax_cenozoic -> Nannolith families inc sed -> Ceratolithaceae -> Amaurolithus -> Amaurolithus primus
Sister taxa: A. brevigracilis, A. delicatus, A. primus, A. tricorniculatus, A. sp.

Taxonomy:

Citation: Amaurolithus primus (Bukry and Percival, 1971) Gartner and Bukry, 1975
Rank: Species
Basionym: Ceratolithus primus Bukry and Percival, 1971

Distinguishing features: Simple form with short arms, broad arch and weakly developed keels.

Farinacci & Howe catalog pages: C. primus *

Search data:
TagsLITHS: nannolith-other, asymmetric, horseshoe-shaped, CROSS-POLARS: 1ou, V-prominent,
MetricsLith size: 7->12µm; Segments: 1->1;
Data source notes: lith width from illustrated specimens
The morphological data given here can be used on the advanced search page. See also these notes

Geological Range:
Last occurrence (top): within NN12 zone (5.12-5.59Ma, top in Zanclean stage). Data source: Young 1998
First occurrence (base): at base of NN11b subzone (0% up, 7.4Ma, in Tortonian stage). Data source: sub-zonal marker

Plot of occurrence data:

References:

Blair, S. A., Bergen, J. A., de Kaenel, E., Browning, E. & Boesiger, T. M. (2017). Upper Miocene-Lower Pliocene taxonomy and stratigraphy in the circum North Atlantic Basin: radiation and extinction of Amauroliths, Ceratoliths and the D. quinqueramus lineage. Journal of Nannoplankton Research. 37(2-3): 113-144. gs V O

Bukry, D. & Percival, S. F. (1971). New Tertiary calcareous nannofossils. Tulane Studies in Geology and Paleontology. 8: 123-146. gs V O

de Kaenel, E. & Villa, G. (1996). Oligocene-Miocene calcareous nannofossil biostratigraphy and paleoeecology from the Iberian Abyssal Plain. Proceedings of the Ocean Drilling Program, Scientific Results. 149: 79-145. gs V O

Gartner, S. & Bukry, D. (1975). Morphology and phylogeny of the coccolithophycean family Ceratolithaceae. Journal of Research of the U.S. Geological Survey. 3: 451-465. gs

Müller, C. (1974b). Calcareous nannoplankton, Leg 25 (Western Indian Ocean). Initial Reports of the Deep Sea Drilling Project. 25: 579-633. gs V O

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. gs V O

Raffi, I., Backman, J. & Rio, D. (1998). Evolutionary trends of tropical calcareous nannofossils in the late Neogene. Marine Micropaleontology. 35(1): 17-41. gs

Theodoridis, S. (1984). Calcareous nannofossil biostratigraphy of the Miocene and revision of the helicoliths and discoasters. Utrecht Micropaleontological Bulletin. 32: 1-271. gs V O

Young, J. R. (1998). Neogene. In, Bown, P. R. (ed.) Calcareous Nannofossil Biostratigraphy. British Micropalaeontological Society Publication Series. 225-265. gs V O


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Amaurolithus primus compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 5-12-2020

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Short stable page link: http://mikrotax.org/Nannotax3/index.php?id=42 Go to Archive.is to create a permanent copy of this page - citation notes



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