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Globigerinella wagneri
Taxonomy
Globigerina wagneri was named by Roegl (1994). It is not extant.
It was recombined as Globigerinella wagneri by Spezzaferri et al. (2018).
It was recombined as Globigerinella wagneri by Spezzaferri et al. (2018).
Synonymy list
| Year | Name and author |
|---|---|
| 1994 | Globigerina wagneri Roegl p. 140 |
| 2018 | Globigerinella wagneri Spezzaferri et al. p. 204 |
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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.
†Globigerinella wagneri Roegl 1994
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| F. Roegl 1994 | Large, low trochospiral test, with 5 inflated chambers in the final whorl; 14 globular chambers in 2- whorls, gradually increasing in size, last chamber smaller then the penultimate one; penultimate whorl with 4 chambers; chambers loosely coiled, periphery lobate; sutures radial, deeply incised. Umbilicus very large, open, quadrangular elongated (not completly visible, filled with sediment); aperture a very low umbilical arch; penultimate chamber opens into the umbilicus. Wall spinose, as in Globigerina s. str. with spine holes, spine bases and inter-pore ridges in earlier chambers. | |
| S. Spezzaferri et al. 2018 | Type of wall: Spinose, spines are supported by spine collars which coalesce to form ridges. Pore concentrations average 75-85 pores/50 μm2 test surface area and pore diameters average 2 μm.
Test morphology: Low trochospiral, evolute, lobulate in outline with depressed, straight and deeply incised sutures on both sides. Fourteen chambers are arranged in 2 whorls, the 4-5 globular chambers of the last whorl increase gradually in size, the penultimate chambers opens into the umbilicus. Aperture slightly extraumbilical, a very large low umbilical arch, open, quadrangular elongated. Size: Maximum diameter of the holotype 0.35 mm. |
Measurements
No measurements are available
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| Source: o = order | |||||
| Reference: Kiessling 2004 | |||||
Collections
No collection or age range data are available