Orbitolinid foraminifers in the Northwest Pacific: Their taxonomy and stratigraphy

Iba, Yasuhiro; Sano, Shin–ichi; Miura, Takashi

doi:10.47894/mpal.57.2.04

Cited by 19 publications

(5 citation statements)

References 27 publications

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“…Thereafter the orbitolinids of the South East Asian sub-province remained small, rare, and isolated from those in Tethys, as the exclusively Tethyan large species of Orbitolina never appeared in this sub-province. The orbitolinids do not survive the Albian-Cenomanian boundary, but unlike the Tethyan realm, disappeared completely from the Northwest Pacific subprovince at the end of PZ Albian 1 [ 32 ] and, from the South East Asian sub-province at the end of PZ Albian 4.…”

Section: Discussionmentioning

confidence: 99%

“…Groups (i-iv) forms seem to be missing from the Western Pacific province, unlike in the Tethys. Also, unlike the Tethyan realm, the orbitolinids do not survive the Albian-Cenomanian boundary, but disappeared completely from Japan at the end of PZ Albian 1 [ 32 ] and, as shown here, from the Barito Basin, Southeast Kalimantan, Indonesia at the end of PZ Albian 4. No orbitolinids are known from east of the Wallace Line in East Indonesia and Australia-New Guinea regions [ 80 ], as these foraminifera required a tropical shallow marine setting, which was not present at this time along the North West Australian margin.…”

Section: Biostratigraphy Phylogeny and Paleogeographic Distribution O...mentioning

confidence: 93%

“…Mesorbitolina lotzei ), likewise, appeared first in Tethys, in PZ Aptian 2. The cosmopolitan Mesorbitolina parva–Mesorbitolina texana first appearing in the late Aptian (PZ Aptian 3, 119.5 Ma), 3 million years earlier than in the American and Western Pacific provinces where their first appearances are recorded in PZ Aptian 4, 116.5 Ma [ 6 , 31 , 32 , 52 ]. Subsequent to its first appearance, the Tethyan Mesorbitolina evolved many phylogenetic lineages, which show the typical evolution from having a simple embryonic apparatus to developing a more complicated one.…”

Section: Biostratigraphy Phylogeny and Paleogeographic Distribution O...mentioning

confidence: 99%

“…In the Northwest Pacific sub-province, reported occurrences of orbitolinids are patchy with numerous doubtful identifications, but those with certain identification belong to Group (v). Palorbitolina lenticularis is first recorded from the beginning of PZ Aptian 1 (125.0 Ma, 2 million years after its first appearance in Tethys) in the eastern Philippines (Cebu) and Japan [ 32 , 70 ].…”

Section: Biostratigraphy Phylogeny and Paleogeographic Distribution O...mentioning

confidence: 99%

“…Early to mid-Cretaceous orbitolinids have been described from Tethyan limestones from, for example, the Mediterranean [ 4 ], Southwest England [ 5 – 10 ], Spain [ 11 , 12 ], France [ 13 ], Italy [ 14 ], Israel, Lebanon and Syria [ 15 ], Yemen [ 16 ], Oman [ 17 – 19 ], Saudi Arabia [ 20 , 21 ], the United Arab Emirates [ 22 ], Iran ([ 23 – 27 ]; Rahiminejad and Hassani, 2016), Afghanistan [ 28 ], and Tibet [ 29 – 31 ]. They are also reported from the Northwest Pacific [ 32 ], Japan and Sakhalin [ 33 – 44 ], and in Africa, where they are found in Ethiopia [ 45 ], Somalia (e.g. [ 46 – 48 ]) and Tanzania [ 49 ].…”

Section: Introductionmentioning

confidence: 99%

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Global evolution and paleogeographic distribution of mid-Cretaceous orbitolinids

BouDagher‐Fadel

Price

2019

UCL Open Environ

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Members of the Larger Benthic Foraminiferal (LBF) family Orbitolinidae occurred from the Cretaceous to the Paleogene, however, they were most diverse during the mid-Cretaceous, and dominated the agglutinated LBF assemblages described from limestones of that period. Various orbitolinid species have been used to zone and date lithologies formed in the shallow, warm waters of the Aptian to the early Cenomanian, and many, sometimes inaccurate, generic and sub-generic nomenclatures have been proposed to differentiate the often-subtle morphological changes that orbitolinids exhibit over time. Also, until now, it has not been possible to develop an effective global overview of their evolution and environmental development because descriptions of specimens from Asia have been relatively rare. Following our recent study of over 1800 orbitolinid-rich thin sections of material from 13 outcrops of Langshan limestone, from the Southern Tibetan Plateau, and from the Barito Basin, South Kalimantan, Indonesia, it has been possible to compare the stratigraphic ranges of these orbitolinids with previously described Tethyan and American forms, based on the use of a planktonic zonal (PZ) scheme, itself tied to the most recent chronostratigraphic scale. This has allowed the reconstruction of the phylogenetic and paleogeographic evolution of the orbitolinids from their Valanginian origin in the Tethys. Although the Tethys remained the paleogeographic centre for the orbitolinids, it is inferred here for the first time that a bi-directional paleogeographic migration of some orbitolinid genera occurred from the Tethys to the Americas and also to the Western Pacific region. Our observations and dating suggest that global marine regressions in the Aptian were coincident with, and may well have facilitated, these orbitolinid transoceanic migrations. Migration stopped however after rising sea level in the early Albian appears to have again isolated these provinces from each other. Tectonic forces associated with the subduction of the Farallon Plate and further sea level raises led to the opening of the Western Interior Seaway in North America, which correlates with, and may have been the cause of, the middle Albian (top of PZ Albian 2) extinction of the American orbitolinids. The extinction of the orbitolinids revealed that the Western Pacific province was split into two sub-provinces, with extinction occurring at the end of the early Albian (top of PZ Albian 1) in the Northwest Pacific sub-province, and at the end of the Albian (top of PZ Albian 4) in the subprovince that is today South East Asia (on the margins and west of the Wallace Line). The final near extinction of the orbitolinids occurred at the end of the Cenomanian in the Tethyan province, which coincides with, and may have been caused by, global anoxic oceanic events that correlate with a near-peak Mesozoic eustatic sea level high-stand that led to the overall global collapse of the paleotropical reef ecosystem at that time.

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Section: Discussionmentioning

confidence: 99%

Section: Biostratigraphy Phylogeny and Paleogeographic Distribution O...mentioning

confidence: 93%

Section: Biostratigraphy Phylogeny and Paleogeographic Distribution O...mentioning

confidence: 99%

Section: Biostratigraphy Phylogeny and Paleogeographic Distribution O...mentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Global evolution and paleogeographic distribution of mid-Cretaceous orbitolinids

BouDagher‐Fadel

Price

2019

UCL Open Environ

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Evolution and palaeogeographical dispersion of the radiolitid rudist genus Auroradiolites (Bivalvia, Hippuritida) with descriptions of new material from Tibet and archived specimens from Afghanistan

Rao

Skelton

Sano

et al. 2017

Papers in Palaeontology

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Diagnostic characters of the recently established new genus of radiolitid rudist Auroradiolites include an entirely compact outer shell layer, a distinctly convex upper (left) valve and a robust myocardinal apparatus surrounding a strongly internally projected ligamentary infolding. Until now, A. biconvexus (previously considered to be exclusively late Albian in age) has been reported only from the Langshan Formation, which crops out along the northern portion of the Lhasa block, Tibet. Here, it is recorded for the first time from the Sangzugang Formation of the Xigaze Forearc Basin, situated on the southern margin of the Lhasa block. A. biconvexus differs from the south‐west Asian type species A. gilgitensis (late Aptian to Albian) by its relatively larger size, more strongly domed left valve and distinct radial undulations of the outer shell layer. The characters of A. gilgitensis are further clarified from archived material from central Afghanistan, also newly identified and described herein. All Auroradiolites records to date are revised. The recognition of examples of A. biconvexus from upper Aptian strata increases both the stratigraphical and geographical ranges of the species, indicating that it had already branched off from A. gilgitensis in the late Aptian. Some new radiolitid specimens that combine both compact and cellular calcitic outer shell layer structures are also described from the Langshan Formation, but a number of internal differences from Auroradiolites cast doubt on their constituting a sister group to the latter and we assign them to Eoradiolites cf. hedini. Rather, the evolution of Auroradiolites directly from the ancestral radiolitid genus Agriopleura is favoured on the grounds of parsimony. So far, the genus Auroradiolites has been recorded from Iran, central and eastern Afghanistan, the type locality of Yasin in north‐western Pakistan, southern and northern Ladakh, the Lhasa block, as well as Hokkaido in northern Japan. During the late Aptian to Albian interval, all of these localities were associated with terranes and blocks that were limited to the north‐eastern margin of Tethys and the western Pacific margin, making Auroradiolites an indicator of a SW Asian to Pacific faunal province.

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Marine carbonate factories: a global model of carbonate platform distribution

Michel

Laugié

Pohl

et al. 2019

Int J Earth Sci (Geol Rundsch)

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Orbitolinid foraminifers in the Northwest Pacific: Their taxonomy and stratigraphy

Cited by 19 publications

References 27 publications

Global evolution and paleogeographic distribution of mid-Cretaceous orbitolinids

Global evolution and paleogeographic distribution of mid-Cretaceous orbitolinids

Evolution and palaeogeographical dispersion of the radiolitid rudist genus Auroradiolites (Bivalvia, Hippuritida) with descriptions of new material from Tibet and archived specimens from Afghanistan

Marine carbonate factories: a global model of carbonate platform distribution

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