Middle Siyak Beds of Siyak River Section: Lochkovian, Russian Federation
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
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Nymphorhynchus nympha
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Rhynchonellata
- Pentamerida
- Gypidulidae
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Gypidula pelagica
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Gypidula optata
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Ivdelinia procerula
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Ivdelinia petropavlowskiensis
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Rhynchonellata
- Pentamerida
- Clorindidae
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Clorinda pseudolinguifera
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Clorindina vijaica
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Rhynchonellata
- Rhynchonellida
- Camarotoechiidae
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Camarotoechia bieniaszi
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genus name in quotes | ||||||||||
Linguopugnoides paulus
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Rhynchonellata
- Rhynchonellida
- Uncinulidae
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Uncinulus gurjevskensis
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Rhynchonellata
- Rhynchonellida
- Glossinotoechiidae
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Glossinulus (Glossinotoechia) gracianovae
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Rhynchonellata
- Rhynchonellida
- Innaechiidae
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Decoropugnax berenice
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Rhynchonellata
- Rhynchonellida
- Hebetoechiidae
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Hebetoechia vagranica
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Rhynchonellata
- Rhynchonellida
- Yunnanellidae
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? Yunnanellina tabuskaensis
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synonym of Yunnanella | ||||||||||
Rhynchonellata
- Atrypida
- Septatrypidae
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Atrypopsis thetis
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synonym of Septatrypa | ||||||||||
Rhynchonellata
- Atrypida
- Punctatrypidae
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Atrypinella losvensis
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Rhynchonellata
- Atrypida
- Atrypinidae
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Spirigerina supramarginalis
(Khalfin 1948)
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Rhynchonellata
- Atrypida
- Karpinskiidae
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Karpinskia vagranensis
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Rhynchonellata
- Orthida
- Dicoelosiidae
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Dicoelosia biloba
(Linnaeus 1758)
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Rhynchonellata
- Athyridida
- Athyrididae
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Protathyris praecursor
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Protathyris celsus
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Protathyris insuetus
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Rhynchonellata
- Athyridida
- Rhynchospirinidae
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? Rhynchospirina sijakensis
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Anthozoa
- Stauriida
- Mucophyllidae
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Pseudamplexus quadripartitus
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Anthozoa
- Stauriida
- Spongophyllidae
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Spongophyllum halysitoides
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Anthozoa
- Cystiphyllida
- Tryplasmatidae
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Tryplasma hercynica
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Anthozoa
- Favositida
- Favositidae
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Favosites admirabilis
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Favosites pseudoregularissimus
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Favosites intricatus
Pocta 1902
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see common names |
Geography
Country: | Russian Federation | State/province: | Bashkir |
Coordinates: | 53.1° North, 57.4° East (view map) | ||
Paleocoordinates: | 0.5° North, 16.3° East | ||
Basis of coordinate: | based on nearby landmark |
Time
Period: | Devonian | Epoch: | Early/Lower Devonian |
Stage: | Lochkovian | 10 m.y. bin: | Devonian 1 | *Epoch: | Helderberg |
Key time interval: | Lochkovian | ||
Age range of interval: | 419.20000 - 410.80000 m.y. ago | ||
* legacy (obsolete) database fields |
Stratigraphy
Formation: | Middle Siyak Beds |
Stratigraphic resolution: | group of beds |
Lithology and environment
Primary lithology: | shelly/skeletal,gray "limestone" |
Includes fossils? | Y |
Lithology description: "...lower part comprises grey, thick-stratified, microcrystalline limestones similar to lsts in Lower Siyak and grades upward to light grey, massive, locally organogenous limestones..." | |
Environment: | marine indet. |
Taphonomy
Collection methods and comments
Collection excludes: | some macrofossils |
Reason for describing collection: | biostratigraphic analysis |
Taxonomic list comments:"More than 70 species of brachiopods and corals are found. The most characteristic are listed..." |
Metadata
Database number: | 13942 | ||
Authorizer: | M. Foote | Enterer: | M. Foote |
Modifier: | M. Foote | Research group: | marine invertebrate |
Created: | 2002-05-03 13:59:00 | Last modified: | 2006-09-15 15:13:14 |
Access level: | the public | Released: | 2002-05-03 13:59:00 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
6172. | A. P. Tyazheva and R. A. Zhavoronkova. 1977. Southern Urals. in A. Martinsson, ed. The Silurian-Devonian boundary (IUGS, Series A, Number 5). Schweizerbart'sche, Stuttgart. 203-210 [M. Foote/M. Foote/M. Foote] |