Scenario: Canine evolution

Here's a timeline about canine evolution
 * 10.3—1.8 nya Canis lepophagus lived through this time period
 * 1.8 nya coyotes and grey wolves evolved from Canis lepophagus
 * 100,000 years ago modern domestic dogs evolved from grey wolves (human intervention contributed to this)
 * Some time in the 21st century humanoid dogs evolved from domestic dogs (human intervention contributed to this)