Ostøya, Lower Chasmops Limestone (Ordovician to of Norway)

Where: Norway (59.9° N, 10.6° E: paleocoordinates 32.1° S, 9.8° W)

• coordinate estimated from map

When: Frognerkilen Formation, Keila to Keila (453.9 - 451.8 Ma)

Environment/lithology: marine; limestone

Size classes: macrofossils, mesofossils

Primary reference: P. J. Brenchley and L. R. M. Cocks. 1982. Ecological associations in a regressive sequence: the latest Ordovician of the Oslo-Asker district, Norway. Palaeontology 25(4):783-815 [S. Finnegan/S. Finnegan/B. Kröger]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 159530: authorized by Björn Kröger, entered by Björn Kröger on 03.08.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

 Sphaeronitida - Sphaeronitidae
Strophomenata
 Strophomenida - Sowerbyellidae
Rhynchonellata
 Orthida - Hesperorthidae
Dolerorthis sp. Schuchert and Cooper 1931
 Orthida - Dalmanellidae
Onniella kalvoya Cocks 1982