CATALOG OF ORIGINAL DESCRIPTIONS: Globorotalia mohleri Bolli 1966
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Citation: Globorotalia mohleri Bolli 1966Taxonomic rank: speciesType specimens: C 24519Type locality: Holotype (pl. 1, figs. 3-5) from core interval 1799-1800.5 m of B.P.M. well Bodjonegoro-1. Geol. map of Java, sheet 104A, coord. S 12000 m, E 5700 m from the NW corner of map. About 90 km W of Surabaia, Java.
Type repository: Basel, CH; Natural History Museum
Current identification:
Original Description Shape of test very low trochospiral, equatorial periphery slightly lobate; axial periphery rounded. Wall calcareous, finely perforated, surface smooth. Chambers rounded, longer than high seen from the spiral side; about 10-12, arranged in 2½ whorls; the 4 to 4½ chambers of the last whorl increase moderately in size. Sutures on spiral side oblique, slightly curved and depressed, on umbilical side radial, depressed. Umbilicus very small and narrow. Aperture a narrow, long slit, bordered above by a narrow rim or lip; interiomarginal, umbilical-extraumbilical. Coiling: apparently random. Size: Largest diameter of holotype: 0.18 mm. Etymology: The species is named after Dr. W. A. Mohler, Gelterkinden, Switzerland, in recognition of his paleontologic and geologic work. Extra details from original publication Remarks - Globorotalia mohleri, n. sp., is a very small, rounded form with a restricted range in Bodjonegoro-1. It differs from Globorotalia minutissima Bolli in possessing only 4-41/2 chambers in the last whorl as compared with 5 in Globorotalia minutissima and in having a less lobate equatorial periphery. Furthermore, the stratigraphic range of Globorotalia mohleri is much more restricted than that of Globorotalia minutissima which ranges in Trinidad from the Catapsydrax stainforthi zone to the Globorotalia menardii zone.
References:
Bolli, H. M. (1966). Bolli, H. M. (1966). The planktonic foraminifera in well Bodonegore-l of Java. Eclogae Geologicae Helvetiae. 59: 449-465. Eclogae Geologicae Helvetiae. 59: 449-465. gsO
Globorotalia mohleri compiled by the pforams@mikrotax project teamviewed: 23-6-2025
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Bolli 1966 pl1 f3-5.jpg
Bolli 1966 pl1 f3-5.jpg
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