Nannotax3 - ntax_mesozoic - Anfractus sp. <title>Nannotax3 - ntax_mesozoic - Anfractus sp.

Anfractus sp.


Classification: ntax_mesozoic -> Holococcoliths -> Rarer genera -> Anfractus -> Anfractus sp.
Sister taxa: A. harrisonii, A. parvus, A. variabilis, A. youngii, A. sp.

Distinguishing features:
Parent taxon (Anfractus): Elliptical, cavate (and usually septate) holococcoliths, often bearing hollow spines. Distal surfaces may be perforate and there may be internal buttresses.
This taxon: Specimens not identified to species level


Taxonomy:

Citation: Anfractus sp.
Rank: generic level id

Farinacci & Howe catalog pages:

Distinguishing features:
Parent taxon (Anfractus): Elliptical, cavate (and usually septate) holococcoliths, often bearing hollow spines. Distal surfaces may be perforate and there may be internal buttresses.
This taxon: Specimens not identified to species level


Morphology:

We are using this category for images of specimens which can be identified to generic level but have not been definitively assigned to a single species.

Size:


Ecology & Biogeography


Biology & life-cycles

Phylogenetic relations

Search data:
:
Lith size: 0->0┬Ám;
The morphological data given here can be used on the advanced search page. See also these notes

Geological Range:
Last occurrence (top): within (-Ma, top in "Holocene" stage). Data source:
First occurrence (base): within (-Ma, base in "Holocene" stage). Data source:

Plot of occurrence data:

References:

Bown, P. R. (1993). New holococcoliths from the Toarcian-Aalenian (Jurassic) of northern Germany. Senckenbergiana Lethaea. 73: 407-419. gs


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Anfractus sp. compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 6-2-2023

Taxon Search:
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Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=10020 Go to Archive.is to create a permanent copy of this page - citation notes



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