This record is for the oldest set of identical living male twins.
This record is to be attempted by a set of male twins.
This record is measured in years and days.
For the purpose of this record, twins are defined as two offspring born from the same pregnancy, usually born in close succession. Identical twins (monozygotic) have developed from a single fertilised ovum and are alike in all genetic characteristics.
For the purpose o this record, only identical (monozygotic) male twins will be considered.
