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Pseudoschackoina
Taxonomy
Pseudoschackoina was named by Verga and Premoli Silva (2005). It was considered monophyletic by Verga and Premoli Silva (2005).
It was assigned to Globigerinelloididae by Verga and Premoli Silva (2005).
It was assigned to Globigerinelloididae by Verga and Premoli Silva (2005).
Synonymy list
| Year | Name and author |
|---|---|
| 2005 | Pseudoschackoina Verga and Premoli Silva p. 239 |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
G. †Pseudoschackoina Verga and Premoli Silva 2005
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| D. Verga and I. Premoli Silva 2005 | Diagnosis. Test small to medium, pseudoplanispiral,
slightly dysaxial, evolute and laterally compressed; 2e 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. For |
Measurements
No measurements are available
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| Source: subo = suborder, o = order | |||||
| References: Loeblich and Tappan 1984, Kiessling 2004 | |||||
Collections
No collection or age range data are available