Niziny (Jurassic of Poland)

Where: Niziny, Poland (51.3° N, 16.9° E: paleocoordinates 42.8° N, 23.9° E)

• coordinate estimated from map

When: Holy Cross Mountains Group, Kimmeridgian (157.3 - 152.1 Ma)

• Small exposres in the cropland and in local trenches and pits on the slopes of Mt. Kosciolek

Environment/lithology: marine; lithified limestone

• Pure limestones (primarily oolites) grading into marlstones, locally even into soft marls; limestones range from micritic through various biocalcarites to shell hash and/or pure ostreid coquinas

Size class: macrofossils

Preservation: original calcite

Collection methods: Echinoids only; Samples obtained in Niziny, Poland

Primary reference: U. Radwanska. 1999. Lower Kimmeridgian echinoids of Poland. Acta Geologica Polonica 49(4):287-364 [M. Hopkins/S. Mahmood]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 157215: authorized by Melanie Hopkins, entered by Shaun Mahmood on 09.06.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Echinoidea
 Irregularia - Nucleolitidae
Nucleolites brodiei
 Euechinoidea - Hemicidaridae
Pseudocidaris thurmanni, Hemicidaris hoffmanni, Hemicidaris mitra
Pseudocidaris thurmanni Agassiz 1840 sea urchin
Hemicidaris mitra sea urchin
 Euechinoidea - Pseudodiadematidae
Tetragramma planissimum