CATALOG OF ORIGINAL DESCRIPTIONS: Globorotalia (Turborotalia) palpebra Brönnimann & Resig 1971
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Original Description The small-sized low trochospire consists of more than 8 subglobular chambers, with four in the final whorl. The initial portion of the trochospire is not pointed and the earliest chambers are masked by secondary shell substance. The chambers of the final whorl increase gradually in size. They are axially compressed. Spiral and radial sutures are well incised. This gives the test a lobate outline in spiral and umbilical view. In lateral view, the umbilical side is almost flat. The final chamber, seen umbilically, is slightly elongate in a radial direction. The aperture extends from the shallow umbilicus to an extraumbilical, peripheral position. The apertural wall is drawn out in a slightly arched thin-walled, peripherally somewhat upturned pustulate lip. The surface of the thin walls are covered by widely spaced large, pointed, "canaliculate" isolate pustules which show in places a tendency to fuse laterally without formation of a distinct polygonal meshwork. The walls are perforated by large and widely spaced wall pores, and in between the pores occur pinpoint-like openings. Size: The maximum diameter of the holotype is about 180 microns. The specimen coils to the right.
It is from Hole 62.1, Core 6, Section 5, 15-17 centimeters; Zone N. 21, and is illustrated on Plate 3,Figure 3. Extra details from original publication By its thin, relatively sparsely pustulate and perforate walls, the thin lid-like strongly pustulate lip, the "canaliculate"" pustules, the globorotaliid aperture and the axially compressed chambers of the final whorl,Globorotalia (Turborotalia)palpebra, n. sp., can be easily distinguished from forms such as Globigerina falconensis Blow, 1959, which is heavier, has a thicker lip, an umbilical aperture and a polygonal surface structure. Globorotalia (T.) palpebra is, in its surface structure, close to the globigerines which occur in Hole 62.1, from Core 1, Section 2 to Core 5, Section 2,that is from Zone N. 22 to Zone N. 21, illustrated by text-figure 4 under the name of Globigerina aff. G.falconensis Blow. Also these forms are characterized by a sparse pustulation, devoid of polygonal structures.Paratypes of Globorotalia (T.) palpebra coil to the right."
References:
Brönnimann, P. & Resig, J. (1971). Brönnimann, P. & Resig, J. (1971). A Neogene globigerinacean biochronologic time-scale of the southwestern Pacific. Initial Reports of the Deep Sea Drilling Project. 7(2): 1235-1469. Initial Reports of the Deep Sea Drilling Project. 7(2): 1235-1469. gsO
Globorotalia (Turborotalia) palpebra compiled by the pforams@mikrotax project teamviewed: 12-5-2025
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Bronnim Resig 71 pl03 f3.JPG/Globorotalia (Turborotalia) palpebra/Bronnim Resig 71 pl03 f3.JPG)
Bronnim Resig 71 pl03 f3.JPG
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