(CP) Crown Point: Whiterockian, New York
collected by P.E. Raymond 1900
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Trilobita
- Corynexochida
- Illaenidae
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Thaleops longispina n. sp.
Shaw 1968
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? Nanillaenus punctatus
(Raymond 1905)
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= Thaleops punctata
Raymond 1905
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Amati and Westrop 2004 | ||||||
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Trilobita
- Proetida
- Bathyuridae
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Uromystrum minor
(Raymond 1905)
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| see common names | |||||||
Geography
| Country: | United States | State/province: | New York |
| Coordinates: | 44.0° North, 73.4° West (view map) | ||
| Paleocoordinates: | 29.1° South, 56.6° West | ||
| Basis of coordinate: | based on nearby landmark | ||
| Geographic resolution: | outcrop |
Time
| Period: | Ordovician |
| 10 m.y. bin: | Ordovician 2-4 |
| Key time interval: | Whiterockian |
| Age range of interval: | 470.00000 - 457.00000 m.y. ago |
Stratigraphy
| Geological group: | Chazy | Formation: | Crown Point |
| Stratigraphic resolution: | group of beds |
Lithology and environment
| Primary lithology: | fine,gray lithified silty "limestone" |
| Secondary lithology: | lithified dolomite |
| Lithology description: Crown Point Formation described as 250-300 feet of "fine-grained, bluish gray, silty limestones containing thin (maximum 1 inch) irregular stringers of buff dolomite". | |
| Environment: | carbonate indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils,mesofossils |
Collection methods and comments
| Collection excludes: | some macrofossils | ||
| Collection methods: | survey of museum collection | ||
| Reason for describing collection: | biostratigraphic analysis | ||
| Museum repositories: | NYSM | ||
| Collectors: | P.E. Raymond | Collection dates: | 1900s |
| Collection method comments: "Raymond coll" indicated in taxonomic list p. 98 | |||
| Taxonomic list comments:Maclurites magnus, orthocone nautiloids, and brachiopods reportedly present in the Crown Point Formation (but not necessarily this collection). | |||
Metadata
| Database number: | 102995 | ||
| Authorizer: | M. Hopkins | Enterer: | M. Hopkins |
| Modifier: | M. Hopkins | Research group: | marine invertebrate |
| Created: | 2011-01-21 08:38:17 | Last modified: | 2011-01-20 16:05:03 |
| Access level: | the public | Released: | 2011-01-21 08:38:17 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 23704. | F.C. Shaw. 1968. Early Middle Ordovician (Chazy) trilobites of New York. New York State Museum and Science Service Memoir 17:1-163 [P. Wagner/P. Wagner] |
Secondary references:
| 38479 | L. Amati and S. R. Westrop. 2004. A systematic revision of Thaleops (Trilobita: Illaenidae) with new species from the middle and late Ordovician of Oklahoma and New York. Journal of Systematic Palaeontology 2(3):207-256 [M. Hopkins/M. Hopkins] |