Beyrichienkalk Formation

{{Infobox rockunit

| name = Beyrichienkalk Formation

| image =

| caption =

| type = Formation

| age = Pridoli
~{{fossil range|423|420}}

| period = Pridoli

| prilithology = Limestone

| otherlithology =

| namedfor = Nodibeyrichia

| namedby =

| region = Gotland
Ex situ:{{Clarify|date=December 2021}} Brandenburg, Kuyavia-Pomerania, Mecklenburg-Western Pomerania, West Pomerania

| country = Sweden
Ex situ: Germany
Ex situ: Poland

| coordinates = {{coord|50.0|N|10.7|E|display=inline}}

| paleocoordinates = {{coord|14.8|S|1.8|W|display=inline}}

| unitof =

| subunits =

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| map = {{Location map+ | Baltic Sea

| relief = 1

| width = 250

| float = center

| places =

{{Location map~ | Baltic Sea

| lat_deg = 57.0

| lon_deg = 18.3

| mark = SpringGreen pog.svg

| marksize = 10

}}

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The Beyrichienkalk Formation is a geologic formation in Gotland, Sweden. It preserves fossils dating back to the Silurian period.[https://paleobiodb.org/classic/displayStrata?geological_group=&formation=Beyrichienkalk&group_formation_member=Beyrichienkalk Beyrichienkalk Formation] at Fossilworks.org The formation is represented in erratic boulders found in:

• Oderberg, Brandenburg, Germany
• Voigtsdorf, Mecklenburg-Western Pomerania, Germany
• Międzyzdroje, West Pomerania, Poland
• Orłowo, Poland
• Vistula River, Bydgoszcz, Kuyavia-Pomerania, Poland