Where: Guizhou, China (28.0° N, 107.0° E: paleocoordinates 18.5° N, 138.7° E)

• local area-level geographic resolution

When: Lower Member (Meitan Formation), Arenig (478.6 - 466.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: deep subtidal shelf; lithified, argillaceous shale and limestone

Primary reference: R. Wang. 1981. Stratigraphic Summary of the Southwestern Region of China. Institute of Geology and Mine Deposit at Chengdu, Ministry of Geology (not published, copy of article deposited with A. I. Miller at the University of Cincinnati, received through S. Mao) 14-61 [A. Miller/P. Novack-Gottshall] more details

PaleoDB collection 5271: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 12.09.1999