They found that knowledge of catarrhine taxonomy progressed randomly, making little difference to the overall structure of the family tree. (scientificamerican.com)
«What we've done is look at the two most intensively studied groups,» Tarver says, and highlighted differences between the relatively stable catarrhine family tree, and the less certain family history of the dinosaurs. (scientificamerican.com)
It's not surprising that these parenting principles have been around for 30 million years among catarrhine mammals (of which we are a part). (psychologytoday.com)