NY67-12.85: Tremadocian, New York
collected by S. Westrop, L. Knox, E. Landing
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Trilobita
- Ptychopariida
- Kingstoniidae
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Clelandia parabola
(Cleland 1900)
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Trilobita
- Asaphida
- Asaphidae
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Bellefontia gyracantha
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Trilobita
- Proetida
- Bathyuridae
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Hystricurus ellipticus
(Cleland 1900)
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original and current combination Bathyurus ellipticus | |||||||
see common names |
Geography
Country: | United States | State/province: | New York | County: | Montgomery |
Coordinates: | 43.0° North, 74.3° West (view map) | ||||
Paleocoordinates: | 31.7° South, 68.5° West | ||||
Basis of coordinate: | estimated from map | ||||
Geographic resolution: | small collection |
Time
Period: | Ordovician | Epoch: | Early/Lower Ordovician |
Stage: | Tremadocian | 10 m.y. bin: | Ordovician 1 |
Key time interval: | Tremadocian | Conodont zone: | Rossodus manitouensis |
Age range of interval: | 485.40000 - 477.70000 m.y. ago |
Stratigraphy
Geological group: | Beekmantown | Formation: | Tribes Hill | Member: | Van Wie |
Local section: | NY67 | Local bed: | 12.85 m | ||
Local order: | bottom to top | ||||
Stratigraphic resolution: | bed | ||||
Stratigraphy comments: Stratigraphy based on Landing et al 1996 (J of P 70:656-680). |
Lithology and environment
Primary lithology: | wavy/flaser/lenticular bedding,intraclastic lithified packstone |
Secondary lithology: | gray lithified "shale" |
Includes fossils? | Y |
Lithology description: "Shales with interbeds of bioclastic and intraclastic packstones and rudstones" (Westrop et al. 1993). "Recessive, thin interval of dark grey shale and lenticular, intraclast-trilobite-echinoderm limestone...locally dolomitized...weathers buff to tan" (Landing et al 1996, J of P 70:656-680). | |
Environment: | deep subtidal shelf |
Geology comments: Environment based on Landing et al 1996 (J of P 70:656-680), which is revised from Westrop et al 1993. |
Taphonomy
Modes of preservation: | body |
Size of fossils: | macrofossils |
Collection methods and comments
Collection excludes: | some macrofossils |
Collection methods: | field collection |
Reason for describing collection: | taxonomic analysis |
Museum repositories: | NYSM |
Collectors: | S. Westrop, L. Knox, E. Landing |
Metadata
Database number: | 174037 | ||
Authorizer: | M. Hopkins | Enterer: | M. Hopkins |
Modifier: | M. Hopkins | Research group: | marine invertebrate |
Created: | 2015-10-23 16:38:30 | Last modified: | 2015-10-24 11:02:02 |
Access level: | the public | Released: | 2015-10-23 16:38:30 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
56736. | S. R. Westrop, L. A. Knox, and E. Landing. 1993. Lower Ordovician (Ibexian) trilobites from the Tribes Hill Formation, central Mohawk Valley, New York State. Canadian Journal of Earth Sciences 30:1618-1633 [M. Hopkins/M. Hopkins/M. Uhen] |