65Fossil sites
När Formation
När Formation in Sweden: 65 fossil sites. Typical age: 425–423 million years (Silurian).
65Fossil sites
0Finds
425–423 million yearsTypical age
SilurianMain period
Where its fossils were found
Silurian
By geological period
Silurian65
Towns with the most fossil sites nearby
SandeFossil sites: 8
LauFossil sites: 6
FrideFossil sites: 6
KatthammarsvikFossil sites: 5
SkålsFossil sites: 5
MarbodarFossil sites: 4
BringsarveFossil sites: 4
AlskogFossil sites: 4
HemseFossil sites: 2
BursFossil sites: 2
LjugarnFossil sites: 2
SigdesFossil sites: 2
BotelsFossil sites: 2
OllajvsFossil sites: 2
HagsarveFossil sites: 1
Stora RingomeFossil sites: 1
SysneFossil sites: 1
NärFossil sites: 1
Other formations of the same period
Silurian
Sundre Formation 75Hamra Formation 67Burgsvik Formation 38Etelhem Formation 37Hemse Beds 34Halla Formation 33Högklint Formation 30Petes Formation 28Klinteberg Formation 24Lower Visby Formation 20Upper Visby Formation 19Slite Beds 18Eke Formation 18Slite Formation 16Klinteberg Beds 14Lower Visby Beds 12Hemse Formation 12Halla Beds 9Upper Visby Beds 9Mulde Formation 9Eke Beds 8Hamra Beds 8Hogklint Beds 6Burgsvik Beds 6