GOV.WALES uses cookies which are essential for the site to work. Non-essential cookies are also used to tailor and improve services. By continuing to use this site, you agree to our use of cookies.
You are here:
Noun, Feminine, Singular
coed ffylogenedd ar gyfer cytrasau
Diagram sy’n darlunio’r berthynas rhwng gwahanol rywogaethau sy’n tarddu o un cyd-hynafiad yn unig, a’u hesblygiad dros amser.