CATALOG OF ORIGINAL DESCRIPTIONS: Pseudoschackoina Verga & Premoli Silva 2005

This page provides data from the catalog of type descriptions. The catalog is sorted alphabetically. Use the current identification link to go back to the main database.


Higher levels: pf_cat -> P -> Pseudoschackoina
Other pages this level: << < Praetenuitella, Proliferania, Prosphaeroidinella, Protentella, Protoheterohelix, Pseudocaucasina, Pseudoclavihedbergella, Pseudoglobigerinella, Pseudogloboquadrina, Pseudogloborotalia, Pseudoguembelina, Pseudoguembelitria, Pseudohastigerina, Pseudomenardella, Pseudoplanomalina, Pseudoschackoina, Pseudotextularia, Pseudothalmanninella, Pseudoticinella, Pullenia, Pulleniatina, Pulvinulina, Pylodexia,

Pseudoschackoina

Citation: Pseudoschackoina Verga & Premoli Silva 2005
Rank: Genus
Type species: Planomalina saundersi Bolli, 1959

Current identification/main database link: Pseudoschackoina Verga & Premoli Silva 2005


Original Description: Test small to medium, pseudoplanispiral, slightly dysaxial, evolute and laterally compressed; 2- 2.5 whorls; chambers in the outer whorl increasing rather fast in size as added; first chambers spherical to subspherical, the last two or three radially elongate, forward-directed and pointed, bearing tubulospines (frequently broken); peripheral outline substellate to stellate; sutures straight to slightly curved, radial and depressed; umbilical area medium wide and shallow; aperture an asymmetrical arch straddling the periphery, bordered by a thin lip; relict apertures at time observed. Wall smooth, finely perforate.

References:

Verga, D. & Premoli Silva, I., (2005). Early Cretaceous planktonic Foraminifera from the Tethys; the upper Aptian, planispiral morphotypes with elongate chambers. Cretaceous Research, 26(2): 239-259.


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Pseudoschackoina compiled by the pforams@mikrotax project team viewed: 26-9-2017

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