(CP) Crown Point (Ordovician of the United States)

Where: New York (44.0° N, 73.4° W: paleocoordinates 29.1° S, 56.6° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Crown Point Formation (Chazy Group), Whiterockian (470.0 - 457.3 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: lithified, fine-grained, gray, silty limestone and lithified dolomite

• 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".

Size classes: macrofossils, mesofossils

Collected by P.E. Raymond in the 1900s; reposited in the NYSM

• "Raymond coll" indicated in taxonomic list p. 98

Primary reference: 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]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 102995: authorized by Melanie Hopkins, entered by Melanie Hopkins on 21.01.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

• Maclurites magnus, orthocone nautiloids, and brachiopods reportedly present in the Crown Point Formation (but not necessarily this collection).
Show authors, comments, and common names
Trilobita
 Proetida - Bathyuridae
Uromystrum minor
Uromystrum minor Raymond 1905 trilobite
 Corynexochida - Illaenidae
Thaleops punctata, Thaleops longispina n. sp.
Thaleops punctata Raymond 1905 trilobite
Thaleops longispina n. sp. Shaw 1968 trilobite