pforams@mikrotax - Hedbergella sp. pforams@mikrotax - Hedbergella sp.

Hedbergella sp.


Classification: pf_mesozoic -> Hedbergellidae -> Hedbergella -> Hedbergella sp.
Sister taxa: << < H. praetrocoidea, H. primare, H. quadricamerata, H. roblesae, H. ruka, H. semielongata, H. sigali, H. similis, H. speetonensis, H. tardita, H. tatianae, H. trocoidea, H. tunisiensis, H. tuschepsensis, H. ventriosa, H. sp.

Taxonomy

taxonomic rank: generic level id

Entries in the Catalog of original descriptions:

Distinguishing features:
Parent taxon (Hedbergella): Test trochospiral, wall finely perforate, outer wall weakly to densely covered with perforation cones or perforation ridges (coalescing perforation cones); umbilical and spiral sutures depressed, radial, straight to slightly curved; aperture an interiomarginal extraumbilical-umbilical arch with a thin imperforate rim, rarely with a narrow bordering lip.
This taxon: Specimens which cannot be assigned to established species

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

Plot of range and occurrence data:

References:

Banner, F. T., Copestake, P. & White, M. R. (1993). Barremian-Aptian Praehedbergellidae of the North Sea area: a reconnaisance. Bulletin of the Natural History Museum, London (Geology). 49: 1-30. gs


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Hedbergella sp. compiled by the pforams@mikrotax project team viewed: 19-6-2024

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Short stable page link: https://mikrotax.org/pforams/index.php?id=110265 Go to Archive.is to create a permanent copy of this page - citation notes



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