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:
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:
Size:
Ecology & Biogeography
Biology & life-cycles
Phylogenetic relations
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Lith size: 0->0µm; |
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:
Bown, P. R. (1993). New holococcoliths from the Toarcian-Aalenian (Jurassic) of northern Germany. Senckenbergiana Lethaea. 73: 407-419. gsReferences:
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Anfractus sp. compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 6-2-2023
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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