cs-4,North Chatham: Lenian, New York

List of taxa
Where & when
Taphonomy & methods
Metadata & references
Taxonomic list
Agnostida indet. Salter 1864
Agnostida - Weymouthiidae
Serrodiscus subclavatus n. sp.
Rasetti 1966
original and current combination Eodiscus (Serrodiscus)
Acimetopus bilobatus n. sp.
Rasetti 1966
Litometopus longispinus n. sp.
Rasetti 1966
Oodiscus subgranulatus n. sp.
Rasetti 1966
Bathydiscus dolichometopus n. sp. Rasetti 1966
Rasetti 1966
Analox bipunctata n. sp. Rasetti 1966
Acidiscus hexacanthus n. sp.
Rasetti 1966
Acidiscus birdi n. sp. Rasetti 1966
Rasetti 1966
Bolboparia elongata n. sp.
Rasetti 1966
Bolboparia canadensis n. sp.
Rasetti 1966
Bolboparia superba n. sp. Rasetti 1966
Stigmadiscus gibbosus n. sp.
Rasetti 1966
Stigmadiscus stenometopus n. sp.
Rasetti 1966
Leptochilodiscus punctulatus n. sp. Rasetti 1966
Rasetti 1966
Agnostida - Calodiscidae
Calodiscus fissifrons n. sp.
Rasetti 1966
Trilobita - Redlichiida - Olenellidae
Olenellus sp. Hall 1861
Paedumias sp. (Walcott 1910)
spelled with current rank as Olenellus (Paedeumias)
3 species - originally entered as "Paedeumias sp."
Trilobita - Corynexochida - Dorypygidae
Bonnia sp. (Walcott 1916)
original and current combination Corynexochus (Bonnia)
see common names

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
Period:Cambrian Epoch:Series 2
10 m.y. bin:Cambrian 2-3
Key time interval:Lenian Trilobite zone: Bonnia - Olenellus
Age range of interval:515.60000 - 510.00000 m.y. ago
* legacy (obsolete) database fields
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?"
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."
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]