Post by Lynn McGuire
BC: tough love
I have no idea and not sure that I want to know.
There are two hypotheses, depending on whether the business end
of stem-reptiles (those aren't dinosaurs, you realize, but the
ancestors of mammals?) were equipped like birds or like snakes.
Or even like mammals? I could go into details, but as you said,
you don't want to know.
Dorothy J. Heydt
djheydt at gmail dot com