Where: New York (43.0° N, 77.0° W: paleocoordinates 25.6° S, 45.8° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Williamson Shale Formation (Clinton Group), Llandovery (443.7 - 428.2 Ma)

• Formation includes Willowvale Shales. Listed as Upper Llandovery, C6. Type locality; BA4 Eoplectodonta-Atrypa association

• formation-level stratigraphic resolution

Environment/lithology: deep subtidal shelf; poorly lithified shale and lithified, shelly/skeletal limestone

Size classes: macrofossils, mesofossils

Primary reference: B.Y. Eckert and C. E. Brett. 1989. Bathymetry and paleoecology of Silurian benthic assemblages, late Llandoverian, New York State. Palaeogeography, Palaeoclimatology, Palaeoecology 74:297-326 [P. Novack-Gottshall/P. Hearn] more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 77052: authorized by Phil Novack-Gottshall, entered by Paul Hearn on 18.12.2007, edited by Phil Novack-Gottshall