pforams@mikrotax - Pseudoplanomalina cheniourensis

Pseudoplanomalina cheniourensis

Classification: pf_mesozoic -> Planomalinidae -> Pseudoplanomalina -> Pseudoplanomalina cheniourensis
Sister taxa: P. cheniourensis, P. sp.


Citation: Pseudoplanomalina cheniourensis (Sigal, 1952)
Rank: Species
Basionym: Planulina cheniourensis

Taxonomic discussion:
Moullade et al. 2002 erected the new genus Pseudoplanomalina for the species cheniourensis [copied from Chronos database]

Type images:

Original description: Planulina cheniourensis n. sp. semble très caractéristique par son test un peu évolute el les lèvres ombilicales des loges

Translation. "Appears to be very distinctive with its slightly evolute test and the umbilical lips of the chambers."

Entries in the Catalog of original descriptions: Planulina cheniourensis

Geological Range:
Last occurrence (top): within H. planispira zone (111.84-113.26Ma, top in Albian stage). Data source: [copied from Chronos database]
First occurrence (base): within L. cabri zone (123.89-125.71Ma, base in Aptian stage). Data source: [copied from Chronos database]

Plot of range and occurrence data:

Character matrix
test outline:Circularchamber arrangement:Pseudoplanispiraledge view:Compressedaperture:Umbilical-extraumbilical
sp chamber shape:Petaloidcoiling axis:Very lowperiphery:Single keelaperture border:Thin lip
umb chbr shape:Petaloidumbilicus:Wideperiph margin shape:Narrowly roundedaccessory apertures:None
spiral sutures:Weakly depressedumb depth:Shallowwall texture:Smoothshell porosity:Finely Perforate: 1-2.5µm
umbilical or test sutures:Weakly depressedfinal-whorl chambers:10.0-0.0 N.B. These characters are used for advanced search. N/A - not applicable


Lipson-Benitah, S. & Almogi-Labin, A. (2004). Aptian planktonic foraminifera from Israel. Israel Journal of Earth Sciences. 53(1): 27-46. gs

Sigal, J. (1952). Apercu stratigraphique sur la micropaleontologie du Cretace. XIX Congr. géol. internat., Algers, Monographies Regionales. 1(26): 3-43. gs


Pseudoplanomalina cheniourensis compiled by the pforams@mikrotax project team viewed: 18-9-2021

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