cs-9. Leptochilodiscus punctulatus beds. Maiden Bridge road cut, East Chatham (Cambrian of the United States)

Where: Columbia County, New York (42.4° N, 73.5° W: paleocoordinates 34.1° S, 88.0° W)

• coordinate based on nearby landmark

• basin-level geographic resolution

When: Bonnia - Olenellus trilobite zone, Stissing Formation, Lenian (516.0 - 510.2 Ma)

• PJW: This should be the Stissing.

Environment/lithology: offshore shelf; green limestone

• "sh and ls; ls beds up to 15 cm thick, fine grained; green shale. ? Shelf BA4?"
• Medium-gray, granular, 1-3 inches thick limestone beds

Size class: macrofossils

Primary reference: F. Rasetti. 1967. Lower and Middle Cambrian Trilobite Faunas from the Taconic Sequence of New York. Smithsonian Miscellaneous Collections 152(4):1-111 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 225082: authorized by Pete Wagner, entered by Pete Wagner on 24.04.2022

Creative Commons license: CC BY (attribution)

Taxonomic list

• "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."
Show authors, comments, and common names
Trilobita
 Redlichiida - Olenellidae
Olenellus "sp. no. 2", "Paedeumias "sp. no. 1"" = Olenellus (Paedeumias), "Paedeumias "sp. no. 2"" = Olenellus (Paedeumias), "Paedeumias "sp. no. 3"" = Olenellus (Paedeumias)
Olenellus "sp. no. 2" Hall 1861 trilobite
"Paedeumias "sp. no. 1"" = Olenellus (Paedeumias) Walcott 1910 trilobite
"Paedeumias "sp. no. 2"" = Olenellus (Paedeumias) Walcott 1910 trilobite
"Paedeumias "sp. no. 3"" = Olenellus (Paedeumias) Walcott 1910 trilobite
 Corynexochida - Dorypygidae
Bonnia "sp. undet."
Bonnia "sp. undet." Walcott 1916 trilobite
Artiopoda
 Agnostida - Weymouthiidae
Oodiscus "sp. no. 1", Bolboparia "sp. no. 1", Acidiscus birdi, Leptochilodiscus punctulatus, Analox bipunctata, Serrodiscus latus, Serrodiscus spinulosus, Stigmadiscus stenometopus, Chelediscus chathamensis, Bathydiscus dolichometopus, Acimetopus bilobatus
Oodiscus "sp. no. 1" Rasetti 1966
Bolboparia "sp. no. 1" Rasetti 1966
Acidiscus birdi Rasetti 1966
Analox bipunctata Rasetti 1966
 Agnostida - Calodiscidae
Calodiscus lobatiis, Calodiscus theokritoffi