Nannoconus longus


Classification: Mesozoic -> Braarudosphaerales -> Nannoconaceae -> Nannoconus -> N. truitti group -> Nannoconus longus
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: Tall (at least twice as tall as wide) with parallel sides and slightly bulbous base.


Taxonomy:

Citation: Nannoconus longus Perch-Nielsen, 1988
Rank: Species

Farinacci & Howe catalog pages: N. longus *

Distinguishing features: Tall (at least twice as tall as wide) with parallel sides and slightly bulbous base.


Morphology remarks: Tall nannoconid (at least twice as tall as wide) with relatively parallel sides and slightly bulbous base. Narrow cavity similar in width to the wall.

Ecology & Biogeography: Described from the North Sea Basin.

Search data:
Tagsnannolith-radiate, circular, cylindrical, hollow, CA: vacant, T-UNITS: T-prominent,
MetricsLith size: 15->25µm;
Data source notes: holotype +/-5µm
Sources: holotype +/-5µm
The morphological data given here can be used on the advanced search page. See also these notes

Geological Range:
Last occurrence (top): within Late Barremian Substage (126.30-129.41Ma, top in Barremian stage). Data source: Perch-Nielsen 1988
First occurrence (base): within Late Barremian Substage (126.30-129.41Ma, base in Barremian stage). Data source: Perch-Nielsen 1988

Plot of occurrence data:

References:

Perch-Nielsen, K. (1988). New Lower Cretaceous calcareous nannofossil species from England. INA Newsletter. 10(1): 30-37. gs V O


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Nannoconus longus 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=10760 Go to Archive.is to create a permanent copy of this page - citation notes



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