No fossil has been found that can be identified as an immediate ancestor of the pterosaurs.
One study suggested that the earliest birds and their immediate ancestors did not climb trees.
Further, no one but you, or I, or some other immediate ancestor, should have been able to find that grave.
He was a strapping young man who gave some promise of being quite a bit larger than his immediate ancestors.
Maybe when he was a baby he hadn't looked so much like his immediate male ancestor.
Two clades are sisters if they have an immediate common ancestor.
"My immediate ancestors couldn't be farther away," she admitted.
Avialae is a term for birds and their immediate extinct ancestors.
All the known forms were fitted into a single sequence so that the Neanderthals became our own immediate ancestors.