New Ordovician ostracodes from Himalaya and their palaeobiological and palaeogeographical implications

Schallreuter, Roger; Hinz‐Schallreuter, Ingelore; Suttner, Thomas J.

doi:10.1016/j.revmic.2007.02.003

Cited by 21 publications

(21 citation statements)

References 6 publications

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“…Unit C2 is the equivalent of the lower part of 'Unit 6' of the stratigraphical log of Sharkovski et al (1984), and of 'Unit F' of the description of the fossiliferous part of the succession given by Schallreuter et al (2006). Three samples, which were the source of the diverse ostracod assemblages described by Schallreuter et al (2006, fig.…”

Section: Geological Outlinementioning

confidence: 96%

“…Three samples, which were the source of the diverse ostracod assemblages described by Schallreuter et al (2006, fig. 2 fig.…”

Section: Geological Outlinementioning

confidence: 99%

“…In 2004 a team of Italian geologists revisited the area to sample biostratigraphically constrained sites for palaeomagnetic studies. In the course of their fieldwork, they collected three samples containing abundant ostracod assemblages described subsequently by Schallreuter et al (2006). In recent years the Early Palaeozoic sedimentary succession in the vicinity of Anarak has been the subject of extensive studies by a joint team of researchers from Azad University, Esfahan, the Gulestan University, Gorgan, the National Museum of Wales, Cardiff and Uppsala University.…”

Section: Introductionmentioning

confidence: 99%

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Review of the Ordovician stratigraphy and fauna of the Anarak Region in Central Iran

Popov¹,

Hairapetian²,

Evans³

et al. 2015

Acta Geologica Polonica

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ABSTRACT:Popov, L.E., Hairapetian, V., Evans, D.H., Ghobadi Pour, M., Holmer, L.E. and Baars, C. 2015. Review of the Ordovician stratigraphy and fauna of the Anarak Region in Central Iran. Acta Geologica Polonica, 65 (4), 403-435. Warszawa.The Ordovician sedimentary succession of the Pol-e Khavand area, situated on the northern margin of the Yazd block, has important differences from those in other parts of Central Iran. It has been established that the presumably terminal Cambrian to Lower Ordovician volcano-sedimentary Polekhavand Formation, exposed in the Pol-e Khavand area, has non-conformable contact with greenschists of the Doshakh Metamorphic Complex. The succeeding, mainly siliciclastic Chahgonbad Formation contains low to moderately diverse faunal assemblages, including brachiopods, cephalopods, trilobites and tentaculitids. The Darriwilian age of the lower part of the formation is well established by the co-occurrence of brachiopod genera Camerella, Phragmorthis, Tritoechia and Yangtzeella. The associated rich cephalopod fauna is different from the Darriwilian cephalopod associations of the Alborz terrane and may show some affinity with warm water faunas of North China and South Korea. It is likely that the Mid Ordovician fauna recovered from the lower part of the Chahgonbad Formation settled in the area sometime during a warming episode in the late Darriwilian. By contrast the low diversity mid Katian brachiopod association includes only three taxa, which occur together with the trilobite Vietnamia cf. teichmulleri and abundant, but poorly preserved tentaculitids questionably assigned to the genus Costatulites. This faunal association bears clear signatures linking it to the contemporaneous cold water faunas of the Arabian, Mediterranean and North African segments of Gondwana. Four brachiopod species recovered from the Chahgonbad Formation, including Hibernodonta lakhensis, Hindella prima, Lomatorthis? multilamellosa and Yangtzeella chupananica are new to science.

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Section: Geological Outlinementioning

confidence: 96%

“…Three samples, which were the source of the diverse ostracod assemblages described by Schallreuter et al (2006, fig. 2 fig.…”

Section: Geological Outlinementioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Review of the Ordovician stratigraphy and fauna of the Anarak Region in Central Iran

Popov¹,

Hairapetian²,

Evans³

et al. 2015

Acta Geologica Polonica

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“…Abbreviations are RV -right valve, LV -left valve. All scale bars equal 100 µm 1965), Avalonia (Siveter 2009) and, in the Late Ordovician, even from Iran (Schallreuter et al 2006). Glossomorphites was widespread in Baltica.…”

Section: Palaeobiogeographymentioning

confidence: 99%

“…Glossomorphites was widespread in Baltica. It occurs in Baltoscandia (Hessland 1954;Tinn and Meidla 1999) and Malopolska (Olempska 1994) in the Lower and Middle Ordovician and is also known from the Upper Ordovician of Himalaya (Schallreuter et al 2008). Based on the palaeobiogeographical pattern of this genus, and its comparison to other Ordovician genera, as well as to modern taxa, Schallreuter et al (2008) suggested that most of all known Ordovician ostracods were benthic crawlers or swimmers comparable to Recent ostracods.…”

Section: Palaeobiogeographymentioning

confidence: 99%

The earliest ostracods from the Ordovician of the Prague Basin, Czech Republic

Lajblová¹,

Kraft²

2014

Acta Geologica Polonica

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ABSTRACT:Lajblová, K. and Kraft, P. 2014. The earliest ostracods from the Ordovician of the Prague Basin, Czech Republic. Acta Geologica Polonica, 64 (4), 367-392. Warszawa.The earliest ostracods from the Bohemian Massif (Central European Variscides) have been recorded from the Middle Ordovician of the Prague Basin (Barrandian area), in the upper Klabava Formation, and became an abundant component of fossil assemblages in the overlying Šárka Formation. Both early ostracod associations consist of eight species in total, representing mainly eridostracans, palaeocopids, and binodicopids. The revision, description, or redescription of all species and their distribution in the basin is provided. Their diversification patterns and palaeogeographical relationships to ostracod assemblages from other regions are discussed.

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Late Devonian (Famennian) to Carboniferous (Mississippian-Pennsylvanian) conodonts from the Anarak section, Central Iran

Sattari

Bahrami

Königshof

et al. 2021

Palaeobio Palaeoenv

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A relatively complete conodont record from Famennian to the Mississippian/Pennsylvanian boundary was investigated in the Anarak section, Central Iran. The studied interval belongs to the Bahram, Shishtu, Ghaleh and Absheni formations. The Famennian part of the section (Bahram Formation) ranges from the Palmatolepis triangularis Zone into the Bispathodus ultimus Zone. Not all conodont zones could be defined due to the lack of indicative species. Furthermore, it seems likely that a hiatus occurs around the Devonian/Carboniferous (D/C) boundary (most probably from the Siphonodella praesulcata to the ?Siphonodella sulcata–early Siphonodella crenulata conodont zones) based on the lack of stratigraphically important conodonts as well as on sedimentological criteria. The lack of representative siphonodellids and protognathodids at the base of the Mississippian prevents detailed stratigraphic position of the D/C boundary. Lower Carboniferous (Mississippian) rocks are characterized by red nodular limestone which is unique in comparison with other studied sections of the same age in Central Iran. Within the studied section, we could define the Mississippian/Pennsylvanian boundary. The mid-Carboniferous boundary was defined by the occurrence of Declinognathus noduliferus s.l. Conodont biofacies changes (Mississippian genera Gnathodus and Lochriea have been replaced by Pennsylvanian genera Declinognathus and Idiognathodus) are recognized in this section as well.

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New Ordovician ostracodes from Himalaya and their palaeobiological and palaeogeographical implications

Cited by 21 publications

References 6 publications

Review of the Ordovician stratigraphy and fauna of the Anarak Region in Central Iran

Review of the Ordovician stratigraphy and fauna of the Anarak Region in Central Iran

The earliest ostracods from the Ordovician of the Prague Basin, Czech Republic

Late Devonian (Famennian) to Carboniferous (Mississippian-Pennsylvanian) conodonts from the Anarak section, Central Iran

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