Where: Poland (50.2° N, 20.2° E: paleocoordinates 42.6° N, 17.1° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Early/Lower Maastrichtian (70.6 - 66.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified marl

Size class: macrofossils

Primary reference: H. Hurcewicz. 1966. Siliceous sponges from the Upper Cretaceous of Poland, part 1: Tetraxonia. Acta Palaeontologica Polonica 11(1):15-129 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 110336: authorized by Wolfgang Kiessling, entered by Uta Merkel on 06.06.2011

Creative Commons license: CC BY (attribution)