Champlain Valley, Great Meadows Fm., late Tremadoc: Gasconadian, New York
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Gastropoda
- Euomphalina
- Ophiletidae
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Ozarkina sp.
Ulrich et al. 1931
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Ophileta sp.
Vanuxem 1842
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Gastropoda
- Sinuopeidae
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Gasconadia sp.
Weller and St. Clair 1928
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Rostroconchia
- Ribeirioida
- Technophoridae
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Ribeiria sp.
Sharpe 1853
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Cephalopoda
- Ellesmerocerida
- Ellesmeroceratidae
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Ectenoceras sp.
Ulrich and Foerste 1936
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Clarkoceras sp.
Ruedemann 1905
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| "transported?" | ||||||||||
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Ellesmeroceras sp.
Foerste 1921
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| "transported?" | ||||||||||
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Lingulata
- Lingulida
- Obolidae
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Lingulella sp.
Salter 1866
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Rhynchonellata
- Orthida
- Finkelnburgiidae
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Finkelnburgia sp.
(Walcott 1905)
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| original and current combination Orthis (Finkelnburgia) | ||||||||||
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Trilobita
- Proetida
- Hystricuridae
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Hystricurus sp.
Raymond 1913
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| originally entered as "Hystricarus sp." | ||||||||||
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Trilobita
- Asaphida
- Nileidae
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Symphysurina sp.
Ulrich 1924
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Trilobita
- Ptychopariida
- Kingstoniidae
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Clelandia sp.
Cossman 1902
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| see common names | ||||||||||
Geography
| Country: | United States | State/province: | New York |
| Coordinates: | 43.9° North, 73.4° West (view map) | ||
| Paleocoordinates: | 31.5° South, 67.2° West | ||
| Basis of coordinate: | based on nearby landmark |
Time
| Period: | Ordovician | Epoch: | Early/Lower Ordovician |
| Stage: | Tremadocian | 10 m.y. bin: | Ordovician 1 | *Epoch: | Tremadoc | *Local age/stage: | Gasconadian |
| Key time interval: | Gasconadian | ||
| Age range of interval: | 485.40000 - 477.70000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Great Meadows | Member: | Skene | ||
| Stratigraphy comments: "Gasconadian stage" Originally "middle" member |
Lithology and environment
| Primary lithology: | desiccation cracks dolomite | ||
| Environment: | peritidal | Tectonic setting: | passive margin |
| Geology comments: "dolomite, algalaminites, thrombolites, desication [sic]. strandline intertidal; normal to high salinities (BA1) ocean facing shelf (stable)" | |||
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | general faunal/floral analysis |
| Taxonomic list comments:"S.J.Mazzulla nad G.M. Friedman, 1977. Competitive algal colonization or peritidal flats in a schizohaline environment: the lower Ord. of NY. J.Sed.Pet. 47:398-410" | |
Metadata
| Database number: | 273 | ||
| Authorizer: | J. Sepkoski | Enterer: | M. Sommers |
| Modifier: | P. Wagner | Research group: | marine invertebrate |
| Created: | 1998-11-20 10:07:18 | Last modified: | 2018-06-28 22:03:11 |
| Access level: | the public | Released: | 1998-11-20 10:07:18 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 61175. | S. J. Mazzulla and G. M. Friedman. 1977. Competitive algal colonization or peritidal flats in a schizohaline environment: the lower Ordovician of New York. Journal of Sedimentary Petrology 47:398-410 [M. Uhen/J. Ju] |