Board Thread:Questions and Answers/@comment-67.233.246.186-20130619145624/@comment-24.52.100.23-20130619160803

Most likely since the Ultimatrix didn't scan the ultimat forms after they were released since they were just futuristic versions of Ben's aliens. The reptiles from The Eggman Cometh were just futuristic chickens, so the Ultimatrix probably related the DNA as something that is non-senient.