Osmundsberget 1, Glisstjärn Formation (Ordovician of Sweden)

Where: Dalarna, Sweden (61.0° N, 15.2° E: paleocoordinates 26.0° S, 6.8° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Normalograptus extraordinarius- N. persculptus graptolite zone, Glisstjärn Formation, Hirnantian (445.2 - 443.4 Ma)

Environment/lithology: shallow subtidal; shelly/skeletal, gray, calcareous rudstone

Size class: macrofossils

Preservation: original aragonite, replaced with calcite

Primary reference: B. Kröger, J. O. R. Ebbestad, and A. E. S. Högström Frisk. 2011. Mass concentration of Hirnantian cephalopods from the Siljan District, Sweden; taxonomy, palaeoecology and palaeobiogeographic relationships. Fossil Record 14(1):35-53 [B. Kröger/B. Kröger]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 101023: authorized by Björn Kröger, entered by Björn Kröger on 15.12.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

Rhynchonellata
 Pentamerida - Clorindidae
Clorilamnulella osmundsbergensis Rasmussen et al. 2010
Cephalopoda
 Orthocerida - Proteoceratidae
Transorthoceras osmundsbergense Kröger et al. 2011
Isorthoceras dalecarlense Kröger et al. 2011
 Orthocerida - Dawsonoceratidae
Dawsonoceras gregarium Kröger et al. 2011
 Orthocerida - Orthoceratidae
 Tarphycerida - Trocholitidae
Discoceras siljanense Kröger et al. 2011
 Oncocerida - Oncoceratidae
Retizitteloceras rarum Kröger et al. 2011
"Beloitoceras heterocurvatum" = Richardsonoceras sinuososeptatum Roemer 1861
 Oncocerida - Diestoceratidae