Siemien section (3.30-3.90 m), Poland: Bartonian, Poland
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Anthozoa
- Scleractinia
- Dendrophylliidae
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Balanophyllia subirregularis
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| [entered as Balanophylia subirregularis] | ||||||||||
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Chondrichthyes
- Lamniformes
- Lamnidae
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Lamna sp.
Cuvier 1816
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Echinoidea
- Cidaroida
- Cidaridae
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Cidaris anhaltina
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Cidaris interlineata
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Bivalvia
- Carditida
- Crassatellidae
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Crassatella desmaresti
Deshayes 1866
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Crassatella woodi
Koenen 1865
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| recombined as Salaputium woodi | ||||||||||
| Subspecies: Crassatella woodi raricostata | ||||||||||
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Bivalvia
- Pholadida
- Corbulidae
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Corbula cordasensis
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Bivalvia
- Cardiida
- Veneridae
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Meretrix incrassata
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Bivalvia
- Pectinida
- Spondylidae
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Spondylus tenuispina
Sandberger 1863
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Spondylus buchi
Philippi 1846
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Bivalvia
- Pectinida
- Pectinidae
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Chlamys rodkiewiczi
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Chlamys carinata
(Sowerby 1828)
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Bivalvia
- Ostreida
- Ostreidae
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Ostrea prona
Wood 1861
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| Subspecies: Ostrea prona longa | ||||||||||
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Ostrea ventilabrum
Goldfuss 1826
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Ostrea cymbula
Lamarck 1806
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Gastropoda
- Turritellidae
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Tomyris ukrainiae
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| original and current combination Turritella (Tomyris) | ||||||||||
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Mesalia cf. marginata
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Mesalia sulcata
(Lamarck 1804)
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| recombined as Sigmesalia sulcata | ||||||||||
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Rhynchonellata
- Terebratulida
- Cancellothyrididae
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Terebratulina nysti
Bosquet 1862
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| recombined as Rhynchonellopsis nysti | ||||||||||
| see common names | ||||||||||
Geography
| Country: | Poland |
| Coordinates: | 51.2° North, 22.6° East (view map) |
| Paleocoordinates: | 49.7° North, 17.7° East |
| Basis of coordinate: | based on nearby landmark |
| Geographic resolution: | outcrop |
Time
| Period: | Paleogene | Epoch: | Eocene |
| Stage: | Bartonian | 10 m.y. bin: | Cenozoic 3 |
| Key time interval: | Bartonian | ||
| Age range of interval: | 41.20000 - 37.71000 m.y. ago |
Stratigraphy
| Local section: | Siemien | Local bed: | 3.60 m | ||
| Local order: | top to bottom | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: SPECIFIC STRATIGRAPHY: Collection froms horizon between 3.3 and 3.9 m below top of section. Deposits are less than 10 m thick in total, overlain by Quaternary sands, and overlying Maastrictian sediments.
AGE: Assigned to Bartonian on the basis of similarity of faunal assemblage to Bartonian of England. Furthermore, analysis of planktonic foraminifers shows the unit to be the Globigerapsis semiinvolute Zone, that is in the lower part of the Upper Eocene, and on the basis of coccoliths to be in the Discoaster nodifer biozone, that is uppermost Middle and lowermost Upper Eocene. | |||||
Lithology and environment
| Primary lithology: | glauconitic,shelly/skeletal,gray,green silty,calcareous sandstone |
| Includes fossils? | Y |
| Lithology description: Green-grey marly sands with glauconite and pelecypod fragments. | |
| Environment: | offshore |
| Glacial or sequence phase: | transgressive |
| Geology comments: The Upper Eocene sequence is represented by transgressive marine series. Most taxa occupy neritic and littoral and warm-temperate conditions. Numerous corals suggest normal salinity. Probably accumulaed in 10-90 m of water depth. | |
Taphonomy
| Modes of preservation: | body,original aragonite,original calcite |
| Size of fossils: | macrofossils |
| Preservation of anatomical detail: | poor |
Collection methods and comments
| Collection methods: | field collection |
| Reason for describing collection: | taxonomic analysis |
| Collection method comments: Macrofauna are housed in the Geological Instiutute (IG) of Poland. | |
| Taxonomic list comments:Exhaustive for bivalvia and apparently complete for gastropods (although this is a meagre fauna). Includes all macrofossils. | |
Metadata
| Also known as: | 3.30-3.90 | ||
| Database number: | 49751 | ||
| Authorizer: | A. Hendy | Enterer: | A. Hendy |
| Modifier: | A. Hendy | Research group: | marine invertebrate |
| Created: | 2005-04-24 19:06:07 | Last modified: | 2013-11-25 13:37:23 |
| Access level: | the public | Released: | 2005-04-24 19:06:07 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 13353. | K. Pozaryska. 1977. Upper Eocene foraminifera of East Poland and their paleogeographical meaning. Acta Palaeontologica Polonica 22(1):3-54 [A. Miller/A. Hendy/A. Hendy] |
Secondary references:
| 13352 | E. Wozny. 1977. Pelecypods from the Upper Eocene of East Poland. Acta Palaeontologica Polonica 22(1):93-112 [A. Miller/A. Hendy/M. Uhen] |