Wysoczki, Holy Cross Mountains, Tremadoc Chalcedonite (Ordovician of Poland)

Where: Poland (50.7° N, 21.3° E: paleocoordinates 46.2° S, 96.5° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Drepanoistodus deltifer conodont zone, Wysoczki Chalcedonite Formation, Tremadoc (485.4 - 477.7 Ma)

• also known as Tremadoc Chalcedonite

• group of beds-level stratigraphic resolution

Environment/lithology: coastal; lithified sandstone

• bands of chalcedonites

Size class: macrofossils

Primary reference: L. E. Holmer and G. Biernat. 2002. Lingulate brachiopods from Lower Ordovician (Tremadoc) chalcedonites, Holy Cross Mountains, Poland. Acta Palaeontologica Polonica 47(1):141-156 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 66196: authorized by Wolfgang Kiessling, entered by Uta Merkel on 04.10.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

 Acrotretida - Ephippelasmatidae
Akmolina sp. Popov and Holmer 1994
Pomeraniotreta sp. Bednarczyk 1986
 Acrotretida - Eoconulidae
Eoconulus sp. Cooper 1956
 Acrotretida - Acrotretidae
 Lingulida - Obolidae
 Lingulida - Paterulidae
 Lingulida - Acrothelidae
 Siphonotretida - Siphonotretidae