Gruszczyn (Jurassic of Poland)

Where: Gruszczyn, Poland (52.4° N, 17.1° E: paleocoordinates 44.0° N, 23.9° E)

• coordinate estimated from map

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

• limited info in text, location near railroad

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 Gruszyzyn , Poland near a railroad

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 157210: 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
 Euechinoidea - Hemicidaridae
Hemicidaris intermedia, Hemitiaris stramonium
Hemicidaris intermedia Fleming 1828 sea urchin
 Calycina -
Trochotiara kongieli
Trochotiara kongieli Radwanska 1999 sea urchin
 Holectypoida - Holectypidae
Holectypus corallinus