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Praemurica
Taxonomy
Praemurica was named by Olsson et al. (1992) [Sepkoski's age data: T Dani T Than]. It was considered unknown by Olsson et al. (1992).
It was assigned to Truncorotaloididae by Olsson et al. (1992); and to Foraminiferida by Sepkoski (2002).
It was assigned to Truncorotaloididae by Olsson et al. (1992); and to Foraminiferida by Sepkoski (2002).
Synonymy list
| Year | Name and author |
|---|---|
| 1992 | Praemurica Olsson et al. |
| 2002 | Praemurica Sepkoski |
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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. †Praemurica Olsson et al. 1992
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| R. K. Olsson et al. 1992 | The wall texture of Praemurica (Plate 6: Figures 2-4) is similar to that observed in the modern Neogloboquadrina dutertrei (d'Orbigny) (Plate 5: Figures 9, 10). Elongate subparallel ridges, often with an orientation towards the aperture, are connected by shorter less well-developed ridges that are thicker and broader on one side. This gives the test a cancellate wall texture, which is herein termed praemuricate. It is the first distinctive nonspinose, pustulose wall texture to evolve in the phylogeny of the early Paleocene planktonic foraminifera. [Olsson et al. 1999] |