Prosimians are a paraphyletic group and not a clade ( a group consisting of an ancestor and all its descendants ) , since tarsiers share a more recent common ancestor with all simians than with the strepsirrhines .
Prosimians are a paraphyletic group and not a clade ( a group of an ancestor and all its descendants ) . Tarsiers share a more recent common ancestor with all simians than with the strepsirrhines .