VSEGEI Loc. 8853 Akkerme Peninsula, Lake Balkhash: Rhuddanian, Kazakhstan
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Rhynchonellata
- Spiriferida
- Cyrtiidae
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Eospirifer cinghizicus
Borissiak 1955
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(2 measurements) | ||||||||||
Rhynchonellata
- Orthida
- Hesperorthidae
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Dolerorthis plicata
(de Sowerby and Murchison 1839)
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Baars et al. 2014 | |||||||||
Dolerorthis sowerbyiana
(Davidson 1869)
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Rhynchonellata
- Orthida
- Dalmanellidae
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Isorthis (Protocortezorthis) prima
Walmsley and Boucot 1975
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synonym of Levenea llandoveriana | ||||||||||
Isorthis prima
(Walmsley and Boucot 1975)
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Baars et al. 2014 | |||||||||
synonym of Levenea llandoveriana | ||||||||||
Rhynchonellata
- Atrypida
- Lissatrypidae
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Meifodia tulkulensis
Modzalevskaya and Popov 1995
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Cyclospirinae indet.
Schuchert 1913
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Rhynchonellata
- Atrypida
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Zygospiraella duboisi
(Verneuil 1845)
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Rhynchonellata
- Pentamerida
- Stricklandiidae
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Stricklandia lens
(Sowerby 1839)
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Baars et al. 2014 | |||||||||
Stricklandia mullochensis
Reed 1917
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recombined as Stricklandia lens mullochensis | ||||||||||
subspecies lens mullochensis (1 measurement) | ||||||||||
Rhynchonellata
- Pentamerida
- Parastrophinidae
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Parastrophina sp.
Schuchert and LeVene 1929
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Baars et al. 2014 | |||||||||
Strophomenata
- Strophomenida
- Christianiidae
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Christiania sp.
Hall and Clarke 1892
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Baars et al. 2014 | |||||||||
Strophomenata
- Strophomenida
- Leptestiidae
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Leangella scissa
(Davidson 1871)
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unclassified
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Echinodermata indet.
Klein 1754
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Baars et al. 2014 | |||||||||
Anthozoa
- Stauriida
- Calostylidae
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Calostylis denticulata
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Baars et al. 2014 | 1 specimen | ||||||||
Anthozoa
- Stauriida
- Paliphyllidae
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Cystipaliphyllum sp.
Lavrusevich 1964
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Baars et al. 2014 | |||||||||
Anthozoa
- Stauriida
- Streptelasmatidae
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? Streptelasma sp.
Hall 1847
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Baars et al. 2014 | 2 specimens | ||||||||
Demospongiae
- Agelasida
- Cliefdenellidae
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Khalfinaea sp.
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Baars et al. 2014 | |||||||||
Demospongiae
- Anthaspidellidae
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Calycocoelia typicalis
Bassler 1927
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Baars et al. 2014 | |||||||||
see common names |
Geography
Country: | Kazakhstan | State/province: | South Central |
Coordinates: | 45.4° North, 73.7° East (view map) | ||
Paleocoordinates: | 17.2° South, 71.4° East | ||
Geographic resolution: | outcrop |
Time
Period: | Silurian | Epoch: | Llandovery |
Stage: | Rhuddanian | 10 m.y. bin: | Silurian 1 |
Key time interval: | Rhuddanian | Graptolite zone: | Coronograptus cyphus |
Age range of interval: | 443.80000 - 440.80000 m.y. ago |
Stratigraphy
Formation: | Mynaral | ||||
Local order: | bottom to top | ||||
Stratigraphic resolution: | formation | ||||
Stratigraphy comments: Redated as late Rhuddanian in: L. Robin M. Cocks and Rong Jia-yu (2007). Earliest Silurian faunal survival and recovery after the end Ordovician glaciation: evidence from the brachiopods. Earth and Environmental Science Transactions of the Royal Society of Edinburgh, 98, pp 291-301 doi:10.1017/S175569100807566X |
Lithology and environment
Primary lithology: | argillaceous "limestone" |
Secondary lithology: | nodular calcareous mudstone |
Includes fossils? | Y |
Includes fossils? | Y |
Lithology description: The early Silurian brachiopod assemblage is preserved in nodules and nodular interlayers of a calcareous mudstone and argillaceous limestone of Unit 3, which rests on the unfossiliferous sandstone of Unit 2 | |
Environment: | carbonate indet. |
Taphonomy
Modes of preservation: | body |
Size of fossils: | macrofossils |
Collection methods and comments
Collection excludes: | some microfossils |
Reason for describing collection: | taxonomic analysis |
Collection method comments: VSEGEI |
Metadata
Database number: | 151931 | ||
Authorizer: | P. Wagner, W. Kiessling | Enterer: | P. Wagner, M. Krause |
Modifier: | P. Wagner | Research group: | marine invertebrate |
Created: | 2013-10-23 13:58:10 | Last modified: | 2019-08-27 15:07:46 |
Access level: | the public | Released: | 2013-10-23 13:58:10 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
48558. | T. L. Modzalevskaya and L. E. Popov. 1995. Earliest Silurian articulate brachiopods from central Kazakhstan. Acta Palaeontologica Polonica 40(4):399-426 [P. Wagner/P. Wagner] |
Secondary references:
53123 | C. Baars, L. Popov, F. Rhebergen and I. A. Klishevich. 2014. Early Silurian (Rhuddanian) rugose corals and sponges from the Ak-Kerme Peninsula, Kazakhstan. Paläontologische Zeitschrift 88:279-295 [W. Kiessling/M. Krause] |