PL16 (Ordovician of the United States)

Where: Vermont (44.6° N, 73.3° W: paleocoordinates 28.8° S, 56.4° W)

• coordinate estimated from map

• outcrop-level geographic resolution

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

Environment/lithology: lithified grainstone

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 103277: authorized by Melanie Hopkins, entered by Melanie Hopkins on 25.01.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

 Phacopida - Pterygometopidae
Calyptaulax annulata Raymond 1905 trilobite
 Trinucleida - Raphiophoridae
Lonchodomas halli Billings 1861 trilobite
 Asaphida - Asaphidae
Isotelus harrisi Raymond 1905 trilobite