The results show that the Saimaa ringed seal separated from other ringed seals more than 60,000 years ago—that is, long before the formation of Lake Saimaa, which took place 10,000 years ago.

The results show that Saimaa ringed seals diverged from other ringed seals already more than 60,000 years ago – that is, long before Lake Saimaa came to existence 10,000 years ago. “For a long time, ...

The results show that Saimaa ringed seals diverged from other ringed seals already more than 60,000 years ago – that is, long before Lake Saimaa came to existence 10,000 years ago.