ON THE VARIABILITY OF TETHYIAN ROTALIID BENTHIC FORAMINIFERAL SPECIES OF THE GENUS BOLIVINOIDESELLA ANAN

Six Maastrichtian-Paleogene small Rotaliid benthic foraminiferal species of the genus Bolivinoidesella Anan are distributed in many localities in the Tethyan Atlantic and Pacific Oceans. This genus and its members differ from the other Bolivinoididae members in possessing numerous, delicate, irregul...

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Main Author: Haidar Salim Anan
Format: Article
Language:English
Published: Zibeline International 2025-01-01
Series:Acta Scientifica Malaysia
Subjects:
Online Access:https://actascientificamalaysia.com/archives/ASM/1asm2024/1asm2024-43-47.pdf
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author Haidar Salim Anan
author_facet Haidar Salim Anan
author_sort Haidar Salim Anan
collection DOAJ
description Six Maastrichtian-Paleogene small Rotaliid benthic foraminiferal species of the genus Bolivinoidesella Anan are distributed in many localities in the Tethyan Atlantic and Pacific Oceans. This genus and its members differ from the other Bolivinoididae members in possessing numerous, delicate, irregularly anastomosing costae. This new assemblage are divided into two groups, Bolivinoidesella pacifica group and Bolivinoidesella salimi group. The first one includes four species: B. pacifica, B. karimae, B. olae, B. hudae, while the second group includes two species: B. salimi, B. ameeri. The modern taxonomic consideration of the six identified species, and the evolutionary trends of Bolivinoidesella spp. are presented and discussed. The prominent environment of the genus Bolivinoidesella and its members are most probably represents the lower bathyal–upper abyssal environment depth (~1500–2000 m).
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publishDate 2025-01-01
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spelling doaj-art-053d296437cd47fea57ac89d6e2b12092025-02-06T03:01:25ZengZibeline InternationalActa Scientifica Malaysia2521-50512521-506X2025-01-01814347 10.26480/asm.01.2024.43.47ON THE VARIABILITY OF TETHYIAN ROTALIID BENTHIC FORAMINIFERAL SPECIES OF THE GENUS BOLIVINOIDESELLA ANANHaidar Salim Anan0Department of Geology, former Vice president of Al Azhar University-Gaza, Palestine. Six Maastrichtian-Paleogene small Rotaliid benthic foraminiferal species of the genus Bolivinoidesella Anan are distributed in many localities in the Tethyan Atlantic and Pacific Oceans. This genus and its members differ from the other Bolivinoididae members in possessing numerous, delicate, irregularly anastomosing costae. This new assemblage are divided into two groups, Bolivinoidesella pacifica group and Bolivinoidesella salimi group. The first one includes four species: B. pacifica, B. karimae, B. olae, B. hudae, while the second group includes two species: B. salimi, B. ameeri. The modern taxonomic consideration of the six identified species, and the evolutionary trends of Bolivinoidesella spp. are presented and discussed. The prominent environment of the genus Bolivinoidesella and its members are most probably represents the lower bathyal–upper abyssal environment depth (~1500–2000 m).https://actascientificamalaysia.com/archives/ASM/1asm2024/1asm2024-43-47.pdfrotaliid foraminiferabolivinoidesellamaastrichtianpaleogenetethys
spellingShingle Haidar Salim Anan
ON THE VARIABILITY OF TETHYIAN ROTALIID BENTHIC FORAMINIFERAL SPECIES OF THE GENUS BOLIVINOIDESELLA ANAN
Acta Scientifica Malaysia
rotaliid foraminifera
bolivinoidesella
maastrichtian
paleogene
tethys
title ON THE VARIABILITY OF TETHYIAN ROTALIID BENTHIC FORAMINIFERAL SPECIES OF THE GENUS BOLIVINOIDESELLA ANAN
title_full ON THE VARIABILITY OF TETHYIAN ROTALIID BENTHIC FORAMINIFERAL SPECIES OF THE GENUS BOLIVINOIDESELLA ANAN
title_fullStr ON THE VARIABILITY OF TETHYIAN ROTALIID BENTHIC FORAMINIFERAL SPECIES OF THE GENUS BOLIVINOIDESELLA ANAN
title_full_unstemmed ON THE VARIABILITY OF TETHYIAN ROTALIID BENTHIC FORAMINIFERAL SPECIES OF THE GENUS BOLIVINOIDESELLA ANAN
title_short ON THE VARIABILITY OF TETHYIAN ROTALIID BENTHIC FORAMINIFERAL SPECIES OF THE GENUS BOLIVINOIDESELLA ANAN
title_sort on the variability of tethyian rotaliid benthic foraminiferal species of the genus bolivinoidesella anan
topic rotaliid foraminifera
bolivinoidesella
maastrichtian
paleogene
tethys
url https://actascientificamalaysia.com/archives/ASM/1asm2024/1asm2024-43-47.pdf
work_keys_str_mv AT haidarsalimanan onthevariabilityoftethyianrotaliidbenthicforaminiferalspeciesofthegenusbolivinoidesellaanan