Praha - Michle (Jezerka), Pernik Bed, Kraluv Dvur Fm. (Ordovician of Czech Republic)

Where: Czech Republic (50.0° N, 14.5° E: paleocoordinates 60.0° S, 74.3° E)

• coordinate estimated from map

When: Proboscisambon trilobite zone, Pernik Member (Kraluv Dvur Formation), Kralodvorian (449.5 - 445.6 Ma)

• "uppermost Kraluv Dvur Fm., Pernik Bed", in Owens (2004)

Environment/lithology: offshore shelf; calcareous claystone

• The bed is currently interpreted as the results of climatic and glacioeustatic changes around the Katian/Hirnantian boundary, followed by Hirnantian glaciomarine deposits
• The ‘Perník bed’ is a richly fossiliferous carbonatic claystone forming the top part of the Králův Dvůr Formation (Štorch and Mergl 1989; see pl. 1, p. 128).

Size classes: macrofossils, mesofossils

Primary reference: R. M. Owens. 2004. Late Ordovician and early Silurian Proetida (Trilobita) from North-Western and Central Europe. Palaeontology 47(3):557-578 [B. Kröger/B. Kröger]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 165097: authorized by Björn Kröger, entered by Björn Kröger on 12.01.2015, edited by Pete Wagner

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Trilobita
 Proetida - Rorringtoniidae
Rorringtonia scanica
Rorringtonia scanica Olin 1906 trilobite
Paragastropoda
 Mimospirida - Clisospiridae
Mimospira barrandei n. sp.1
Mimospira barrandei n. sp.1 Frýda 1989
Strophomenata
 Strophomenida - Glyptomenidae
Proboscisambon quaesita2
Proboscisambon quaesita2 Barrande 1879
1Frýda 1989; 2Hints and Harper 2015