Kullsberg Limestone

{{Infobox rockunit

| name = Kullsberg Limestone

| type = Formation

| age = Ordovician

| period = Ordovician

| prilithology = Limestone

| country = {{NOR}} {{SWE}}

}}

The Kullsberg Limestone is a geologic formation in Norway and Sweden.{{Cite journal|author1=Björn Kröger |author2=Martina Aubrechtová |year=2019 |title=The cephalopods of the Kullsberg Limestone Formation, Upper Ordovician, central Sweden and the effects of reef diversification on cephalopod diversity |journal=Journal of Systematic Palaeontology |volume=17 |issue=12 |pages=961–995 |doi=10.1080/14772019.2018.1491899 |bibcode=2019JSPal..17..961K |hdl=10138/308819 |hdl-access=free }} It preserves fossils dating back to the Ordovician period.