Also known as Reef 65

Where: Opole, Poland (50.5° N, 18.2° E: paleocoordinates 18.4° N, 23.9° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Karchowice Formation, Anisian (247.2 - 242.0 Ma)

• bed-level stratigraphic resolution

Environment/lithology: perireef or subreef; lithified limestone

Size class: macrofossils

Primary reference: A. Pisera and A. Bodzioch. 1991. Middle Triassic lyssacinosan sponges from Upper Silesia (southern Poland), and the history of hexactinosan and lychniscosan sponges. Acta Geologica Polonica 41:193-207 [W. Kiessling/U. Merkel] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 116891: authorized by Wolfgang Kiessling, entered by Uta Merkel on 13.09.2011