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| Anonymous: Unedited TaxonConcept data | ||||||
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Species Globorotalia wilcoxensis Cushman & Ponton 1932 | ||||||
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| Diagnosis / Definition: | ||||||
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Bolli (1957): Shape of test very low trochospiral, spiral side flat, occasionally slightly concave; umbilical side strongly convex and inflated; equatorial periphery lobate; axial periphery rounded, in last chambers often becoming acute. Wall calcareous, perforate, distinctly spinose. Chambers inflated, slightly compressed laterally; about 10, arranged in 2-2 1/4 whorls, the 4 chambers of the last whorl increasing rapidly in size, the last chamber often slightly reduced again. Sutures on spiral side oblique, depressed; on umbilical side radial, strongly depressed. Umbilicus narrow, deep, open. Aperture a low arch; interiomarginal, extraumbilical umbilical. Coiling about 85 percent dextral. Largest diameter of hypotype 0.48 mm. |
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| Discussion / Comments: | ||||||
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Bolli (1957): Globorotalia wilcoxensis Cushman and Ponton is regarded as the ancestor of G. quetra Bolli, new species. |
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| Systematics: | ||||||
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20 Genus Globorotalia Species Globorotalia wilcoxensis 32 Ordo Foraminiferida Familia Globorotaliidae Genus Globorotalia Species Globorotalia wilcoxensis |
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| Synonym list: | ||||||
| Bolli (1957): 1932 Globorotalia wilcoxensis Cushman & Ponton. - Cushman & Ponton : p. 71 pl. 9, figs. 10a-c
1957 Globorotalia wilcoxensis Cushman & Ponton. - Bolli : pl. 19, figs. 7-9
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| Was used in synonym list of: | ||||||
| References: | ||||||
Cushman,J.A. and Ponton,G.M. (1932): Bolli,H.M. (1957): |
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| Anonymous: Unedited TaxonConcept data | ||||||
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Taxon relations
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