Where: Prague, Czech Republic (50.1° N, 14.4° E: paleocoordinates 58.7° S, 79.5° E)

• coordinate estimated from map

• small collection-level geographic resolution

When: Upper Member (Zahorany Formation), Berounian (457.9 - 449.8 Ma)

• Listed as Uppermost Middle Berounian; Uppermost portion

• group of beds-level stratigraphic resolution

Environment/lithology: offshore shelf; lithified, black shale

Size classes: macrofossils, mesofossils

Primary reference: R. L. Parsley. 1990. Aristocystites, a Recumbent Diploporid (Echinodermata) from the Middle and Late Ordovician of Bohemia, ČSSR. Journal of Paleontology 64(2):278-293 [P. Wagner/P. Wagner]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 196722: authorized by Pete Wagner, entered by Pete Wagner on 02.10.2018

Creative Commons license: CC BY (attribution)