thanks for the replay and i think that you are right, thats there are just few bones left from the animals in museums but you can always hope that there are more part in some dusty museum magazine that have been mixed up with American minks or that someone have an old stuffed Sea Mink in their basement not knowing what it is
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but if we have a complete skull with teeth then we can extract DNA from the pulp i know it have been done in 400-year-old human teeth, ,i just wish there where more interest to try to bring the animal back to life