Atrypoidea Community, Kalvitza Fm., Novaya Zemlya region: Pridoli, Russian Federation
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Crinoidea
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informal Pentagonocyclicus sp.
Yeltysheva and Shevchenko 1960
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| crinoid columnal taxon | ||||||||||
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Conodonta
- Ozarkodinida
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Ozarkodina remschiedensis
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| subsp. eosteinhornensis | ||||||||||
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Conodonta
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Spathognathodus interpositus
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| entire name in quotes | ||||||||||
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Rhynchonellata
- Atrypida
- Septatrypidae
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Atrypoidea phoca
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Atrypoidea insigne
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| subsp. grebenensis | ||||||||||
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Atrypoidea kushvensis
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Atrypoidea camelina
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| subsp. karpovensis | ||||||||||
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Rhynchonellata
- Atrypida
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Atrypoidea scheii
Holtedahl 1914
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unclassified
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Bryozoa indet.
Ehrenberg 1831
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Stenolaemata
- Cystoporata
- Fistuliporidae
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Fistuliramus sp.
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Fistulipora sp.
McCoy 1850
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Stenolaemata
- Trepostomata
- Aisenvergiidae
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Eridotrypa sp.
Ulrich 1893
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Ostracoda
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Ostracoda indet.
Latreille 1802
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Ostracoda
- Leperditicopida
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Bingeria sp.
Martinsson 1962
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Ostracoda
- Leperditicopida
- Isochilinidae
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Kiaeria sp.
Glebowskaja 1949
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Ostracoda
- Leperditicopida
- Leperditiidae
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Schrenckia sp.
Glebovskaia
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Ostracoda
- Podocopida
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Calcaribeyrichia sp.
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Ostracoda
- Palaeocopida
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Eokloedenia sp.
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Alveolella sp.
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Signetopsis sp.
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Ostracoda
- Platycopida
- Cavellinidae
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Cavellina sp.
Coryell 1928
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Trilobita
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Trilobita indet.
Walch 1771
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Anthozoa
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Tabulata indet.
(Milne-Edwards and Haime 1850)
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Anthozoa
- Favositida
- Favositidae
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Squameofavosites sp.
Chernyshev 1941
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Anthozoa
- Favositida
- Pachyporidae
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Striatopora sp.
Hall 1851
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Anthinocrinidae
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informal Anthinocrinus sp.
Stukalina 1961
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| crinoid columnal taxon | ||||||||||
| see common names | ||||||||||
Geography
| Country: | Russian Federation |
| Coordinates: | 71.0° North, 58.0° East (view map) |
| Paleocoordinates: | 6.7° North, 2.0° West |
| Basis of coordinate: | estimated from map |
| Geographic resolution: | basin |
Time
| Period: | Silurian | Epoch: | Pridoli |
| 10 m.y. bin: | Silurian 2 | ||
| Key time interval: | Pridoli | ||
| Age range of interval: | 423.00000 - 419.20000 m.y. ago |
Stratigraphy
| Formation: | Kalvitza |
| Stratigraphic resolution: | formation |
Lithology and environment
| Primary lithology: | shelly/skeletal,gray,green argillaceous mudstone |
| Secondary lithology: | shelly/skeletal argillaceous wackestone |
| Includes fossils? | Y |
| Includes fossils? | Y |
| Lithology description: "Occurs in lenticular bands and thin beds of brachiopod conquinoid limestone, bed-by-bed accumulations of mostly articulated shells within greenish-gray, shaly mudstone and argillaceous biomicrite. All layers consist of articulated shells." | |
| Environment: | marine indet. |
| Geology comments: "The local life assemblages and accumulations (slightly transported) developed on argillaceous muds deposited in shallow, quiet water environments interpreted as BA 2, as is the case elsewhere in the world with this chiefly Uralian-Cordilleran Region community." [The occurrence is of mostly single-species accumulations of Atrypoidea, with the other faunal elements interbedded and in adjacent patches.] | |
Taphonomy
Collection methods and comments
| Reason for describing collection: | paleoecologic analysis |
Metadata
| Database number: | 23640 | ||
| Authorizer: | M. Foote | Enterer: | M. Foote |
| Modifier: | M. Foote | Research group: | marine invertebrate |
| Created: | 2002-07-18 08:38:04 | Last modified: | 2006-09-15 15:14:05 |
| Access level: | the public | Released: | 2002-07-18 08:38:04 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 6713. | L. V. Nekhorosheva and D. K. Patrunov. 1999. The chief Wenlockian-Lochkovian benthic communities of the Vaigach to southern Novaya Zemlya region. In A. J. Boucot and J. D. Lawson (eds.), Paleocommunities--a case study from the Silurian and Lower Devonian 488-495 [M. Foote/M. Foote/M. Foote] |