Mud mound at Putilovo Quarry, section 18, sample A, Volkhov Stage: Floian, Russian Federation
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Conodonta
- Ozarkodinida
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Periodon flabellum
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Conodonta
- Prioniodontida
- Balognathidae
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Baltoniodus triangularis
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Conodonta
- Prioniodontida
- Oistodontidae
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Oistodus lanceolatus
Pander 1856
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Conodonta
- Protopanderodontida
- Protopanderodontidae
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Protopanderodus rectus
(Lindstrom 1955)
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Conodonta
- Protopanderodontida
- Drepanoistodontidae
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Drepanoistodus forceps
(Lindström 1955)
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Drepanoistodus cf. basiovalis
(Sregeeva 1963)
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unclassified
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Brachiopoda indet.
Cuvier 1805
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2420 individuals | |||||||||
| 11: new genus, 2409: unidentified juveniles | ||||||||||
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Rhynchonellata
- Orthida
- Paurorthidae
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Paurorthis parva
(Pander 1830)
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14 individuals | |||||||||
| Orthambonites parva | ||||||||||
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Rhynchonellata
- Orthida
- Ranorthidae
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Ranorthis informal sp. nov.
Öpik 1939
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1270 individuals | |||||||||
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Rhynchonellata
- Orthida
- Archaeorthidae
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Nothorthis penetrabilis
Rubel 1961
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73 individuals | |||||||||
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Rhynchonellata
- Orthida
- Productorthidae
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Productorthis aculeata
(Pander 1830)
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27 individuals | |||||||||
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Strophomenata
- Billingsellida
- Clitambonitidae
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Neumania costata
(Pander 1830)
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1 individual | |||||||||
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Strophomenata
- Billingsellida
- Polytoechiidae
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Antigonambonites sp.
Opik 1934
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4 individuals | |||||||||
| see common names | ||||||||||
Geography
| Country: | Russian Federation |
| Coordinates: | 59.9° North, 31.4° East (view map) |
| Paleocoordinates: | 39.5° South, 0.6° West |
| Basis of coordinate: | based on nearby landmark |
| Geographic resolution: | small collection |
Time
| Period: | Ordovician | Epoch: | Early/Lower Ordovician |
| Stage: | Floian | 10 m.y. bin: | Ordovician 2 |
| Key time interval: | Floian | ||
| Age range of interval: | 477.70000 - 470.00000 m.y. ago |
Stratigraphy
| Formation: | Volkhov Stage | Member: | Dikari | ||
| Local section: | 18 | Local bed: | Sample A | ||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: Baltoniodus triangularis conodont zone; sample A is the lower sample of section 18 [JA: reassigned to the Floian because the triangularis zone is latest Floian] | |||||
Lithology and environment
| Primary lithology: | lithified claystone |
| Lithology description: the lower of two thick clay lenses; green clay with lens-shaped limestone pebbles | |
| Environment: | reef, buildup or bioherm |
| Geology comments: microbial mud mound | |
Taphonomy
| Size of fossils: | macrofossils,microfossils |
| Preservation of anatomical detail: | good |
Collection methods and comments
| Collection methods: | field collection |
| Reason for describing collection: | taxonomic analysis |
Metadata
| Also known as: | Reef 2580 | ||
| Database number: | 61791 | ||
| Authorizer: | W. Kiessling | Enterer: | U. Merkel |
| Modifier: | J. Alroy | Research group: | marine invertebrate,micropaleontology |
| Created: | 2006-06-30 05:28:21 | Last modified: | 2012-08-20 22:06:30 |
| Access level: | the public | Released: | 2006-06-30 05:28:21 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 17811. | T. Tolmacheva, P. Fedorov, and E. Egerquist. 2003. Conodonts and brachiopods from the Volkhov Stage (Lower Ordovician) microbial mud mound at Putilovo Quarry, north-western Russia. Bulletin of the Geological Society of Denmark 50(1):63-74 [W. Kiessling/U. Merkel] |