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Praesphaerammina
Taxonomy
Praesphaerammina was named by Kaminski and Filipescu (2000). It was considered unknown by Kaminski and Filipescu (2000).
It was assigned to Praesphaerammininae by Kaminski and Filipescu (2000).
It was assigned to Praesphaerammininae by Kaminski and Filipescu (2000).
Synonymy list
| Year | Name and author |
|---|---|
| 2000 | Praesphaerammina Kaminski and Filipescu |
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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. †Praesphaerammina Kaminski and Filipescu 2000
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| M. A. Kaminski and S. Filipescu 2000 | Test planispirally enrolled involute, with about four strongly overlapping chambers per whorl, with the final embracing chamber overlapping 50-70% of the test in the adult stage. Wall simple, imperforate, finely to coarsely agglutinated, with organic cement. Aperture interio-areal in the juvenile
stage, becoming areal in the adult, oval to reniform in outline, with a thin lip. Paleocene - Miocene: Carpathians, Caribbean, West Africa, North Sea. Remarks: Differs from Sphaerammina in possessing a less embracing final chamber (Sphaerammina ovalis is -80% embracing) and in its simple aperture, which lacks a tooth. |
Measurements
No measurements are available
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| Source: superf = superfamily, subo = suborder, o = order | |||||
| References: Loeblich and Tappan 1984, Loeblich and Tappan 1988, Kiessling 2004 | |||||
Collections
No collection or age range data are available