Kurgalimova72 pl2-03.JPG
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Kurgalimova72 pl2-03.JPGCurrent identification/main database link: Subbotina corpulenta (Subbotina 1953)
Translation below [Translation from Russian using google translate] Description: Shells are of medium size, sub-square shape: the elongation coefficient is close to 1, the coefficient widens to 1.3-1.5. The initial part consists of a 1.5-2 turn of the helix. The initial turnover is rotalia form, consists of 5-8 small, tightly arranged chambers, the second is globiger-like, composed of four chambers, gradually increasing in size. The shells are high-trochoid, characterized by a strongly convex dorsal side. The last turn consists of four chambers. The first two chambers of the last revolution have a spherical shape and are often shifted to the umbilical region. The last and next to last chambers are oval. The arrangement of the chambers is compact. The previous chamber is much larger than the last: the ratio of the width of the penultimate chamber to the width of the last one is 1.1-1.3. The ratio of the length of the base of the last camera to its width is 1.1-1.3. The height of the last chamber is always less than the height of the earlier part of the spiral. The seams are clear, thin, blunt. The navel is wide, distinct. The outer edge is scalloped. The mouth is arcuate, curved, marginal, long, shallow, oblique, extends across the entire umbilical region to the middle of the peripheral edge of the shell. The wall is glacial, finely porous. Translation below [Translation from Russian using google translate] Variability. The degree of elongation of the dorsal side, as well as the shape of the shell, varies from sub-square to sub-triangular. Geological and geographical distribution. It appears with the middle part Globorotalia aragonensis zone average Priaral'ya Aral Sea region and the western part of Central Asia; less common in the Acarinina crassaformis zone of the Middle Eocene of the same areas. Material. 40 specimens from wells 226, 358, 352, 346, 312 of Eastern Priaral'ya.
Original Description
Extra details from original publication
Геологическое и географическое распространение. Появляется с средней части зоны Globorotalia aragonensis среднего эо цена Приаралья и западной части Средней Азии; реже встречается в зоне Acarinina crassaformis среднего эоцена тех же районов.
Материал. 40 экземпляров из скважин 226, 358, 352, 346, 312 Восточного Приаралья.
Kurgalimova, G. G. (1972). Описание некоторых характерных глобигерин из среднеэоценовых отложений Восточного Приаралья [Description of some characteristic globigerinids from Middle Eocene deposits of the Eastern Aral Sea region]. In, Paleontological collection, Proceedings of the All-Union Scientific Research Geological Prospecting Petroleum Institute (VNIGNI). 4(83): 109-115. gsReferences:
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Globigerina turbulenta compiled by the pforams@mikrotax project team viewed: 7-10-2024
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