PL11 (Ordovician of the United States)

Where: New York (44.6° N, 73.4° W: paleocoordinates 28.8° S, 56.5° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Day Point Formation (Chazy Group), Whiterockian (471.8 - 457.5 Ma)

Environment/lithology: lithified, muddy limestone

Size classes: macrofossils, mesofossils

Reposited in the NYSM

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 103017: authorized by Melanie Hopkins, entered by Melanie Hopkins on 21.01.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
 Phacopida - Cheiruridae
Sphaerexochus valcourensis Shaw and Bolton 2011 trilobite
 Phacopida - Encrinuridae
Cybeloides prima Narraway and Raymond 1906 trilobite
occurrence attributed to Raymond coll.
 Corynexochida - Styginidae
"Platillaenus limbatus" = Failleana limbata
"Platillaenus limbatus" = Failleana limbata Raymond 1910 trilobite
 Harpetida - Harpetidae
Hibbertia valcourensis Shaw 1968 trilobite