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| Anonymous: Unedited TaxonConcept data | ||||||
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Subspecies Globorotalia angulata abundocamarata Bolli 1957 | ||||||
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| Diagnosis / Definition: | ||||||
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Bolli (1957): Shape of test very low trochospiral, spiral side almost flat, inner whorl occasionally slightly raised; umbilical side strongly convex; equatorial periphery slightly lobate, almost circular; axial periphery subacute to acute without distinct keel. Wall calcareous, perforate, surface finely spinose. Chambers subangular, inflated; 14-18, arranged in 2-2 1/4 whorls, the 6-7 chambers of the last whorl increasing slowly in size. Sutures on spiral side curved, slightly depressed; on umbilical side radial, depressed. Umbilicus narrow, deep, open. Aperture a narrow slit; interiomarginal, extraumbilical umbilical. Coiling random. Largest diameter of holotype 0.4 mm. |
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| Discussion / Comments: | ||||||
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Bolli (1957): G. angulata abundocamerata Bolli, new subspecies, is a multichambered form of G. angulata (White) with a slightly different stratigraphic range. |
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| Synonym list: | ||||||
| Bolli (1957): 1957 Globorotalia angulata abundocamarata Bolli. - Bolli : pl. 17, figs. 4-6 new subspecies
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| References: | ||||||
Bolli,H.M. (1957): |
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| Anonymous: Unedited TaxonConcept data | ||||||
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