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Zeauvigerina
Taxonomy
Zeauvigerina was named by Finlay (1939) [Sepkoski's age data: K Sn T Eo-m-u]. It is not extant.
It was assigned to Heterohelicidae by Huber and Boersma (1994); and to Foraminiferida by Sepkoski (2002).
It was assigned to Heterohelicidae by Huber and Boersma (1994); and to Foraminiferida by Sepkoski (2002).
Species
Species lacking formal opinion data
Entered
by J. Sepkoski on 2003-01-23; modified by P. O'Brien on 2020-07-26
Synonymy list
| Year | Name and author |
|---|---|
| 1939 | Zeauvigerina Finlay |
| 1994 | Zeauvigerina Huber and Boersma |
| 2002 | Zeauvigerina 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. †Zeauvigerina Finlay 1939
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†Zeauvigerina aegyptiaca Said and Kenawy 1956
†Zeauvigerina lodoensis Martin 1943
†Zeauvigerina waiparaensis Jenkins 1966
†Zeauvigerina zelandica Finlay 1939
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| B.T. Huber and A. Boersma 1994 | Test calcareous, small, subcircular to elliptical in crosssectional outline; chambers biserially arranged in the early portion, with a tendency to become uniserial in the later portion, increasing gradually in size; sutures smooth to slightly depressed, horizontally or obliquely curved; wall microperforate, surface covered with irregularly scattered pustules on all but the final one or two chambers; aperture an asymmetrically positioned, low interiomarginal arched opening partially bordered by a narrow lip in the early ontogenetic stage, becoming oval-shaped and areally or terminally positioned in gerontic specimens, sometimes produced on a short neck that may or may not have an encircling lip. |
Measurements
No measurements are available
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| Source: o = order | |||||
| Reference: Kiessling 2004 | |||||