All modern strepsirrhines including lemurs are traditionally thought to have evolved from primitive primates known as adapiforms during the Eocene ( 56 to 34 mya ) or Paleocene ( 65 to 56 mya ).

All modern strepsirrhines including lemurs are traditionally thought to have evolved from ' primitive ' primates known as adapiforms during the Eocene ( 56 to 34 mya ) or Paleocene ( 65 to 56 mya ).

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