Nannoconus truittii


Classification: Mesozoic -> Braarudosphaerales -> Nannoconaceae -> Nannoconus -> N. truitti group -> Nannoconus truittii
Sister taxa: N. cornuta, N. donnatensis, N. elongatus, N. inconspicuus, N. longus, N. minutus, N. multicadus, N. planus, N. quadriangulus, N. quadricanalis, N. truittii,

Distinguishing features: Barrel-shaped or slightly tapering


Daughter taxa: (blue => in age window 0-800Ma)
Moderately tall (higher than wide)
Short (wider than high)
Moderately tall (similar height and width)

Taxonomy:

Citation: Nannoconus truittii Brönnimann, 1955
Rank: Species
Basionym: Nannoconus truitti Brönnimann, 1955

Farinacci & Howe catalog pages: N. truitti *

Distinguishing features: Barrel-shaped or slightly tapering


Morphology remarks: Barrel-shaped or slightly tapering nannoconids with canal width similar to, or slightly narrower than, the wall.

Search data:
Tagsnannolith-radiate, circular, cylindrical, hollow, CA: vacant, T-UNITS: T-prominent,
MetricsLith size: 7->13µm;
Data source notes: range of sub-species
Sources: range of sub-species
The morphological data given here can be used on the advanced search page. See also these notes

Geological Range:
Last occurrence (top): within Campanian Stage (72.05-83.64Ma, top in Campanian stage). Data source: Burnett 1998
First occurrence (base): within Aptian Stage (112.95-126.30Ma, base in Aptian stage). Data source: Burnett 1998

Plot of occurrence data:

References:

Brönnimann, P. (1955). Microfossils incertae sedis from the Upper Jurassic and Lower Cretaceous of Cuba. Micropaleontology. 1(28-51): -. gs

Burnett, J. A. (1998). Upper Cretaceous. In, Bown, P. R. (ed.) Calcareous Nannofossil Biostratigraphy. British Micropalaeontological Society Publication Series. 132-199. gs V O

Jeremiah, J. (1996). A proposed Albian to Lower Cenomanian nannofossil biozonation for England and the North Sea Basin. Journal of Micropalaeontology. 15(97-129): -. gs V O

Mutterlose, J. & Wise, S. W. (1990). Lower Cretaceous nannofossil biostratigraphy of ODP Leg 113 Holes 692B and 693A, continental slope off east Antarctica, Weddell Sea. Proceedings of the Ocean Drilling Program, Scientific Results. 113: 325-351. gs V O

Wise, S. W. & Wind, F. H. (1977). Mesozoic and Cenozoic calcareous nannofossils recovered by DSDP Leg 36 drilling on the Falkland Plateau, south-west Atlantic sector of the Southern Ocean. Initial Reports of the Deep Sea Drilling Project. 36(269-491): -. gs V O


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Nannoconus truittii compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 19-9-2020

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Short stable page link: http://mikrotax.org/Nannotax3/index.php?id=10780 Go to Archive.is to create a permanent copy of this page - citation notes



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