pforams@mikrotax - Zeauvigerina waiparaensis

Zeauvigerina waiparaensis


Classification: pf_mesozoic -> Heterohelicidae -> Zeauvigerina -> Zeauvigerina waiparaensis
Sister taxa: Z. waiparaensis, Z. sp.

Taxonomy

Citation: Zeauvigerina waiparaensis (Jenkins, 1966)
Rank: Species
Basionym: Chiloguembelina waiparaensis

Type images:

Original description: Test free, small, elongate, biserial, tapering towards the prolocular end, compressed. Chambers subglobular, 17, the first
7 inceasing slowly in size and the last 10 increasing more rapidly in size. Wall calcareous, finely perforate. Sutures subparallel in side view, slightly depressed, distinct. Aperture terminal, oval-shaped, symmetrical, with its open end towards the penultimate chamber.

Entries in the Catalog of original descriptions: Chiloguembelina waiparaensis

Geological Range:
Last occurrence (top): within Danian Stage (61.61-66.04Ma, top in Danian stage). Data source: [copied from Chronos database]
First occurrence (base): within A. mayaroensis zone (67.30-69.18Ma, base in Maastrichtian stage). Data source: [copied from Chronos database]

Plot of range and occurrence data:

Character matrix
test outline:Subtriangularchamber arrangement:Biserialedge view:Compressedaperture:Interiomarginal
sp chamber shape:Subrectangularcoiling axis:N/Aperiphery:N/Aaperture border:N/A
umb chbr shape:Subrectangularumbilicus:N/Aperiph margin shape:Moderately roundedaccessory apertures:N/A
spiral sutures:Weakly depressedumb depth:N/Awall texture:Finely pustuloseshell porosity:Finely Perforate: 1-2.5┬Ám
umbilical or test sutures:Weakly depressedfinal-whorl chambers:1.0-2.0 N.B. These characters are used for advanced search. N/A - not applicable

References:

Jenkins, D. G. (1966b). Planktonic foraminiferal zones and new taxa from the Danian to lower Miocene of New Zealand. New Zealand Journal of Geology and Geophysics. 8 [1965](6): 1088-1126. gs

Olsson, R. K., Hemleben, C., Berggren, W. A. & Huber, B. T. (1999). Atlas of Paleocene Planktonic Foraminifera. Smithsonian Institution Press, Washington, DC. 1-252. gs


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Zeauvigerina waiparaensis compiled by the pforams@mikrotax project team viewed: 9-12-2021

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Short stable page link: https://mikrotax.org/pforams/index.php?id=110583 Go to Archive.is to create a permanent copy of this page - citation notes



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