pforams@mikrotax - Whiteinella archaeocretacea

Whiteinella archaeocretacea

Classification: pf_mesozoic -> Hedbergellidae -> Whiteinella -> Whiteinella archaeocretacea
Sister taxa: W. aprica, W. archaeocretacea, W. aumalensis, W. baltica, W. bornholmensis, W. brittonensis, W. inornata, W. paradubia, W. sp.


Citation: Whiteinella archaeocretacea Pessagno 1967
Rank: Species
Basionym: Whiteinella archaeocretacea
Synonyms: Praeglobotruncana lehmanni

Type images:

Original description: "Test lobulate, coiled in low trochospiral coil with four to five chambers in last whorl. Chambers spherical, initially; becoming ovate in cross-section in last whorl; in spiral and umbilical views, chambers broad in last whorl; separated by slightly curved to straight, depressed, radial sutures. Test with three whorls of chambers increasing rapidly in size; chambers of early whorl small in comparison to those of last whorl. Surface of test coarsely rugose in well-preserved specimens. Umbilicus shallow and wide. Primary aperture extraumbilical to nearly umbilical in position with large portici when well preserved. Outer wall radial hyaline perforate; septal wall microgranular hyaline perforate; portici microgranular hyaline, perforate (?).

Entries in the Catalog of original descriptions: Whiteinella archaeocretacea, Praeglobotruncana lehmanni

Emended description:


Wall type:


Character matrix
test outline:Ovatechamber arrangement:Trochospiraledge view:Compressedaperture:Umbilical-extraumbilical
sp chamber shape:Inflatedcoiling axis:Very lowperiphery:N/Aaperture border:Thin lip
umb chbr shape:Inflatedumbilicus:Wideperiph margin shape:Narrowly roundedaccessory apertures:None
spiral sutures:Strongly depressedumb depth:Shallowwall texture:Moderately muricateshell porosity:
umbilical or test sutures:Strongly depressedfinal-whorl chambers:5.0-6.0 N.B. These characters are used for advanced search. N/A - not applicable

Geological Range:
Last occurrence (top): within D. asymetrica zone (84.19-86.71Ma, top in Santonian stage). Data source: [copied from Chronos database]
First occurrence (base): within R. cushmani zone (94.03-95.94Ma, base in Cenomanian stage). Data source: [copied from Chronos database]

Plot of range and occurrence data:


Huber, B. T., Petrizzo, M. R., Watkins, D. K., Haynes, S. J. & MacLeod, K. G. (2017a). Correlation of Turonian continental margin and deep-sea sequences in the subtropical Indian Ocean sediments by integrated planktonic foraminiferal and calcareous nannofossil biostratigraphy. Newsletters on Stratigraphy. 50: 141-185. gs

Leckie, M. (1985). Foraminifera of the Cenomanian-Turonian boundary interval, Greenhorn Formation, Rock Canyon Antoicline, Pueblo, Colorado. In, Pratt, L. M., Kauffman, E. G. & Zelt, F. B. (eds) Fine-grained deposits and biofacies of the Cretaeous Wesern Interior Seaway: Evidence of cyclic sedimentary processes. SEPM Field Trip Guidebook . 4: 139-149. gs

Pessagno, E. A. (1967). Upper Cretaceous planktonic foraminifera from the western Gulf Coastal Plain. Palaeontographica Americana. 5: 245-445. gs V O

Robaszynski, F., Caron, M. & le Groupe de Travail Européen des Foraminifères Planctoniques (1979). Atlas des Foraminiféres Planctoniques du Crétace Moyen (Mer Boréale et Téthys). Cahiers de Micropaléontologie. 1 & 2: 1-185. gs


Whiteinella archaeocretacea compiled by the pforams@mikrotax project team viewed: 30-11-2022

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