Tsagaan Del Unit 6. Right bank of Buriduin-Gol River, 4 km NE of Bor-kuduk well: Katian, Mongolia
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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unclassified
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Tuvechia regularis
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Ariunchimeg 2009 | |||||||||
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Anthozoa
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Tabulata indet.
Milne-Edwards and Haime 1850
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Anthozoa
- Heliolitida
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Heliolitida indet.
Frech 1897
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Anthozoa
- Heliolitida
- Halysitidae
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Catenipora informal sp. nov.
Lamarck 1816
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Rozman and Minzhin 1980 | |||||||||
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Halysites proecedens
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Rozman and Minzhin 1980 | |||||||||
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Anthozoa
- Heliolitida
- Proheliolitidae
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"Proheliolites" ex gr. koskolensis
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Rozman and Minzhin 1980 | |||||||||
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Anthozoa
- Heliolitida
- Proporidae
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Propora ex gr. magna
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Rozman and Minzhin 1980 | |||||||||
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Anthozoa
- Heliolitida
- Sibiriolitidae
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Mongoliolites paradoxides
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Rozman and Minzhin 1980 | |||||||||
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Anthozoa
- Stauriida
- Streptelasmatidae
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Grewingkia anguinea
Scheffen 1933
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Stromatoporoidea
- Labechiida
- Stromatoceriidae
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Stromatocerium pergatum
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Stromatoporoidea
- Labechiida
- Labechiidae
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Labechia huronensis
Billings 1865
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Stromatoporoidea
- Labechiida
- Rosenellidae
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Pachystylostroma woyuensis
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Ariunchimeg 2009 | |||||||||
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Pachystylostroma ozakii
Bolshakova and Ulitina 1985
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Ariunchimeg 2009 | |||||||||
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Stromatoporoidea
- Clathrodictyida
- Clathrodictyidae
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Clathrodictyon vormsiense
Riabinin 1951
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Clathrodictyon microundulatum
Nestor 1964
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Conodonta
- Panderodontida
- Panderodontidae
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Panderodus gracilis
(Branson and Mehl 1933)
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Rozman and Minzhin 1980 | |||||||||
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Panderodus serratus
Rexroad 1967
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Ariunchimeg 2009 | |||||||||
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Conodonta
- Prioniodontida
- Balognathidae
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Icriodella superba
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Ariunchimeg 2009 | |||||||||
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Amorphognathus tvaerensis
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Ariunchimeg 2009 | |||||||||
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Conodonta
- Prioniodontida
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Erismodus sp.
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Rozman and Minzhin 1980 | |||||||||
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Conodonta
- Coleodontidae
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Neocoleodus borealis
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Rozman and Minzhin 1980 | |||||||||
| top 5 meters only | ||||||||||
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Conodonta
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Scandodus informal sp. I of Lindstrom
Lindstrom 1955
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Rozman and Minzhin 1980 | |||||||||
| top 5 meters only | ||||||||||
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unclassified
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Bryozoa indet.
Ehrenberg 1831
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Stenolaemata
- Cryptostomata
- Arthrostylidae
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Nematopora galinae n. sp.
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Ariunchimeg 2009 | |||||||||
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Ulrichostylus aculeatus n. sp.
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Ariunchimeg 2009 | |||||||||
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Stenolaemata
- Cryptostomata
- Rhinidictyidae
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Stictopora mutabilis
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Ariunchimeg 2009 | |||||||||
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Pachydictya ambigua
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Ariunchimeg 2009 | |||||||||
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Stenolaemata
- Trepostomata
- Aisenvergiidae
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Eridotrypa multiseptata
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Ariunchimeg 2009 | |||||||||
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Eridotrypa debiliformis
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Ariunchimeg 2009 | |||||||||
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Stenolaemata
- Trepostomata
- Trematoporidae
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Batostoma crassitunicatum
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Ariunchimeg 2009 | |||||||||
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Stenolaemata
- Trepostomida
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Nicholsonella amplexa
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Ariunchimeg 2009 | |||||||||
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Stenolaemata
- Trepostomida
- Monticuliporidae
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Homotrypa aberrans
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Ariunchimeg 2009 | |||||||||
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Atactoporella irregulariformis
|
Ariunchimeg 2009 | |||||||||
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Stenolaemata
- Phylloporinidae
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Chasmatopora spatiosa n. sp.
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Ariunchimeg 2009 | |||||||||
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unclassified
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Brachiopoda indet.
Cuvier 1805
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Rhynchonellata
- Orthida
- Dalmanellidae
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Wysogorskiella mongoliensis
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Rozman and Minzhin 1980 | |||||||||
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Rhynchonellata
- Orthida
- Hesperorthidae
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Hesperorthis acuticostata
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Rozman and Minzhin 1980 | |||||||||
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Hesperorthis latecostata
Rozman 1977
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Rozman and Minzhin 1980 | |||||||||
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Rhynchonellata
- Pentamerida
- Parastrophinidae
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Parastrophinella salairica
Severgina 1978
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Rozman and Minzhin 1980 | |||||||||
| recombined as Protanastrophia salairica | ||||||||||
| top 5 meters only | ||||||||||
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Rhynchonellata
- Rhynchonellida
- Trigonirhynchiidae
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Rostricellula informal sp. nov.
Ulrich and Cooper 1942
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Rozman and Minzhin 1980 | |||||||||
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Rhynchonellata
- Rhynchonellida
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Togaella ex gr. salairica
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Rozman and Minzhin 1980 | |||||||||
| nomen dubium belonging to Rhynchonellida | ||||||||||
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Strophomenata
- Strophomenida
- Sowerbyellidae
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Eoplectodonta ex gr. conspicua
(Reed 1917)
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Rozman and Minzhin 1980 | |||||||||
| recombined as Eoplectodonta (Eoplectodonta) conspicua | ||||||||||
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Strophomenata
- Strophomenida
- Furcitellidae
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Oepikina sp.
(Salmon 1942)
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Rozman and Minzhin 1980 | |||||||||
| original and current combination Opikina | ||||||||||
| see common names | ||||||||||
Geography
| Country: | Mongolia | State/province: | Bayanhongor |
| Coordinates: | 46.4° North, 100.3° East (view map) | ||
| Paleocoordinates: | 27.3° North, 20.5° East | ||
| Basis of coordinate: | estimated from map | ||
| Geographic resolution: | small collection |
Time
| Period: | Ordovician | Epoch: | Late/Upper Ordovician |
| Stage: | Katian | 10 m.y. bin: | Ordovician 5 |
| Key time interval: | Katian | Graptolite zone: | Dicellograptus complanatus |
| Age range of interval: | 453.00000 - 445.20000 m.y. ago |
Stratigraphy
| Formation: | Tsagaan Del | Member: | Upper | ||
| Local section: | Tsagaan Del | Local bed: | 248 - 273 m | ||
| Local order: | bottom to top | ||||
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: Bolshakova and Ulitina 1985 give unit 6 as 10 m thick.
Diyetken stage in Mongolia. | |||||
Lithology and environment
| Primary lithology: | shelly/skeletal,brown,gray lithified argillaceous,sandy "limestone" |
| Lithology description: Bolshakova & Ulitina 1985: reef-like limestone lens intercalated in sandstones. Rozman & Minzhin 1980: Brownish-gray, argillaceous limestones, with seams of sandy, organogenic, coral-brachiopod, eluviated limestones. | |
| Environment: | reef, buildup or bioherm |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
| Preservation of anatomical detail: | good |
Collection methods and comments
| Collection methods: | peel or thin section,field collection |
| Reason for describing collection: | taxonomic analysis |
Metadata
| Also known as: | Reef 2668; Tsagan-Del | ||
| Database number: | 79592 | ||
| Authorizer: | W. Kiessling, P. Wagner | Enterer: | U. Merkel, P. Wagner |
| Modifier: | P. Wagner | Research group: | marine invertebrate |
| Created: | 2008-03-14 04:11:28 | Last modified: | 2015-06-23 13:24:42 |
| Access level: | the public | Released: | 2008-03-14 04:11:28 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 26709. | L. N. Bolshakova and L. M. Ulitina. 1985. Stromatoporaty i biostratigrafiya nizhnego paleozoya Mongolii [Stromatoporata and biostratigraphy of the Lower Paleozoic of Mongolia]. Trudy Sovmestnaya Sovetsko-Mongolskaya Paleontologicheskaya Ekspeditisiya [Transactions of the Joint Soviet-Mongolian Paleontological Expedition] 27:5-94 [W. Kiessling/U. Merkel] |
Secondary references:
| 55569 | Y.a. Ariunchimeg. 2009. New Late Ordovician Bryozoans from the Tsagaan-Del Section of Central Mongolia. Paleontological Journal 43(4):401-407 [P. Wagner/P. Wagner] | |
| 55575 | K.h. S. Rozman and C.h. Minzhin. 1980. Stratigraphy of the Ordovician Ashgillian Stage of Western Mongolia. International Geology Review 22(5):575-586 [P. Wagner/P. Wagner/P. Wagner] |