Nannoconus quadricanalis


Classification: Mesozoic -> Braarudosphaerales -> Nannoconaceae -> Nannoconus -> N. truitti group -> Nannoconus quadricanalis
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: large, quadriangular to elongate (similar height and width).


Taxonomy:

Citation: Nannoconus quadricanalis Bown & Concheyro, 2004
Rank: Species

Farinacci & Howe catalog pages: N. quadricanalis *

Distinguishing features: large, quadriangular to elongate (similar height and width).

Search data:
Tagsnannolith-radiate, circular, cylindrical, hollow, CA: vacant, T-UNITS: T-prominent,
MetricsLith size: 8->13┬Ám;
Data source notes: illustrated specimens
Sources: 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 Late Hauterivian Substage (130.77-133.09Ma, top in Hauterivian stage). Data source: Bown & Concheyro 2004
First occurrence (base): within Late Valanginian Substage (133.88-136.41Ma, base in Valanginian stage). Data source: Bown & Concheyro 2004

Plot of occurrence data:

References:

Bown, P. R. & Concheyro, A. (2004). Lower Cretaceous calcareous nannoplankton from the Neuquen Basin, Argentina. In, Villa, G. , Lees, J. A. & Bown, P. R. (eds) Calcareous Nannofossil Palaeoecology and Palaeocenographic Reconstructions, Proceedings of the INA9 conference, Parma 2002. Marine Micropaleontology. 52(1-4): 51-84. gs


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Nannoconus quadricanalis compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 23-9-2020

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Short stable page link: http://mikrotax.org/Nannotax3/index.php?id=10772 Go to Archive.is to create a permanent copy of this page - citation notes



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