VSEGEI Loc. 8853 Akkerme Peninsula, Lake Balkhash: Rhuddanian, Kazakhstan

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Rhynchonellata - Spiriferida - Cyrtiidae
Eospirifer cinghizicus Borissiak 1955
(2 measurements)
Rhynchonellata - Orthida - Hesperorthidae
Dolerorthis plicata (de Sowerby and Murchison 1839)
Baars et al. 2014
Dolerorthis sowerbyiana (Davidson 1869)
Rhynchonellata - Orthida - Dalmanellidae
Isorthis (Protocortezorthis) prima Walmsley and Boucot 1975
synonym of Levenea llandoveriana
Isorthis prima (Walmsley and Boucot 1975)
Baars et al. 2014
synonym of Levenea llandoveriana
Rhynchonellata - Atrypida - Lissatrypidae
Meifodia tulkulensis Modzalevskaya and Popov 1995
Cyclospirinae indet. Schuchert 1913
Rhynchonellata - Atrypida
Zygospiraella duboisi (Verneuil 1845)
Rhynchonellata - Pentamerida - Stricklandiidae
Stricklandia lens (Sowerby 1839)
Baars et al. 2014
Stricklandia mullochensis Reed 1917
recombined as Stricklandia lens mullochensis
subspecies lens mullochensis (1 measurement)
Rhynchonellata - Pentamerida - Parastrophinidae
Parastrophina sp. Schuchert and LeVene 1929
Baars et al. 2014
Strophomenata - Strophomenida - Christianiidae
Christiania sp. Hall and Clarke 1892
Baars et al. 2014
Strophomenata - Strophomenida - Leptestiidae
Leangella scissa (Davidson 1871)
unclassified
Echinodermata indet. Klein 1754
Baars et al. 2014
Anthozoa - Stauriida - Calostylidae
Calostylis denticulata
Baars et al. 2014 1 specimen
Anthozoa - Stauriida - Paliphyllidae
Cystipaliphyllum sp. Lavrusevich 1964
Baars et al. 2014
Anthozoa - Stauriida - Streptelasmatidae
? Streptelasma sp. Hall 1847
Baars et al. 2014 2 specimens
Demospongiae - Agelasida - Cliefdenellidae
Khalfinaea sp.
Baars et al. 2014
Demospongiae - Anthaspidellidae
Calycocoelia typicalis Bassler 1927
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]