Catalog - Globorotalia menardii pandaCatalog - Globorotalia menardii panda
CATALOG OF ORIGINAL DESCRIPTIONS: Globorotalia menardii (d'Orbigny) subsp. panda Jenkins 1960
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Citation: Globorotalia menardii (d'Orbigny) subsp. panda Jenkins 1960Rank: sub-speciesType sample (& lithostrat): Holotype: from 408 feet.Type age (chronostrat): From the Orbulina universa zone to the Globorotalia menardii miotumida zone.Type locality: Lakes Entrance Oil Shaft, Victoria, Australia. Holotype: from 1188 feetType repository: Milan; Micropalaeontological Collection, Universita degli Studi di Milano, Dipartimento di Scienze della Terra ÒA. DesioÓ, Italy.
Original Description Test spiroconvex. Equatorial periphery oval in outline. Very slightly lobate. Axial periphery acutely angular with a distinct, thick keel. Wall calcareous, finely perforate, smooth, with small pustules developed on the first chamber of the last whorl, in front of the aperture.Chambers 16-21, with 5 in the last whorl. Sutures on the spiral side limbate and strongly recurved, umbilical sutures radial, slightly thickened, depressed. Umbilicus small, closed in some specimens. Aperture a very low arch, lipped, interiomarginal, extraumbilical. Size: Largest diameter of holotype 0.62 mm Etymology: Extra details from original publication Remarks: Globorotalia menardii panda, is a rare form, found in only 6 of the samples. It differs from Globorotalia menardii menardii by having a more convex spiral side, the test being spiroconvex as opposed to a flattened biconvex form. Editors' Notes
References:
Jenkins, D. G. (1960). Planktonic foraminifera from the Lakes Entrance oil shaft, Victoria, Australia. Micropaleontology. 6: 345-371. gs
Globorotalia menardii panda compiled by the pforams@mikrotax project teamviewed: 30-1-2023
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