cs-4,North Chatham: Lenian, New York
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Agnostida
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Agnostida indet.
Salter 1864
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Agnostida
- Weymouthiidae
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Leptochilodiscus punctulatus n. sp.
Rasetti 1966
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Rasetti 1966 | |||||||||
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Analox bipunctata n. sp.
Rasetti 1966
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Bolboparia elongata n. sp.
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Rasetti 1966 | |||||||||
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Bolboparia canadensis n. sp.
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Rasetti 1966 | |||||||||
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Bolboparia superba n. sp.
Rasetti 1966
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Stigmadiscus gibbosus n. sp.
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Rasetti 1966 | |||||||||
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Stigmadiscus stenometopus n. sp.
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Rasetti 1966 | |||||||||
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Serrodiscus subclavatus n. sp.
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Rasetti 1966 | |||||||||
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Oodiscus subgranulatus n. sp.
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Rasetti 1966 | |||||||||
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Acimetopus bilobatus n. sp.
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Rasetti 1966 | |||||||||
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Bathydiscus dolichometopus n. sp.
Rasetti 1966
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Rasetti 1966 | |||||||||
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Litometopus longispinus n. sp.
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Rasetti 1966 | |||||||||
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Acidiscus hexacanthus n. sp.
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Rasetti 1966 | |||||||||
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Acidiscus birdi n. sp.
Rasetti 1966
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Rasetti 1966 | |||||||||
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Agnostida
- Calodiscidae
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Calodiscus fissifrons n. sp.
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Rasetti 1966 | |||||||||
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Trilobita
- Redlichiida
- Olenellidae
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Olenellus sp.
Hall 1861
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Paedumias sp.
(Walcott 1910)
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| 3 species - originally entered as "Paedeumias sp." | ||||||||||
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Trilobita
- Corynexochida
- Dorypygidae
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Bonnia sp.
(Walcott 1916)
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| see common names | ||||||||||
Geography
| Country: | United States | State/province: | New York | County: | Columbia |
| Coordinates: | 42.4° North, 73.5° West (view map) | ||||
| Paleocoordinates: | 34.1° South, 88.0° West | ||||
| Basis of coordinate: | based on nearby landmark | ||||
| Geographic resolution: | basin |
Time
| Period: | Cambrian | Epoch: | Series 2 |
| 10 m.y. bin: | Cambrian 2-3 | *Epoch: | Lower |
| Key time interval: | Lenian | Trilobite zone: | Bonnia - Olenellus |
| Age range of interval: | 515.6 - 510 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Stissing | ||||
| Stratigraphy comments: PJW: This should be the Stissing. |
Lithology and environment
| Primary lithology: | green "limestone" |
| Secondary lithology: | "shale" |
| Environment: | offshore shelf |
| Geology comments: "sh and ls; ls beds up to 15 cm thick, fine grained; green shale. ? Shelf BA4?" | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | biostratigraphic analysis |
| Taxonomic list comments:"J.H. Bird and F.Rasetti 1968. Lower, middle and upper Cambrian fauna in the Taconic sequence of eastern New York: stratigraphic and biostratigraphic significance. GSA spec. Paper 113 66p." | |
Metadata
| Also known as: | Was: East Chatham Quad, unnamed fm., NY | ||
| Database number: | 189 | ||
| Authorizer: | J. Sepkoski, P. Wagner | Enterer: | M. Sommers, P. Wagner |
| Modifier: | P. Wagner | Research group: | marine invertebrate |
| Created: | 1998-11-20 10:07:18 | Last modified: | 2022-04-24 00:08:06 |
| Access level: | the public | Released: | 1998-11-20 10:07:18 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 32649. | J. M. Bird and F. Rasetti. 1968. Lower, Middle and Upper Cambrian Faunas in the Taconic Sequence of Eastern New York: Stratigraphic and Biostratigraphic Significance. Geological Society of America Special Paper 113:1-66 [P. Wagner/P. Wagner] |
Secondary references:
| 81431 | F. Rasetti. 1966. New Lower Cambrian trilobite faunule from the Taconic sequence of New York. Smithsonian Miscellaneous Collections 148:1-52 [P. Wagner/P. Wagner] |