
Ar y clawr: Geiriadur Cymraeg-Saesneg o enwau cyffredin rhywogaethau morol Cymru.
Yn cynnwys mynegai = Includes index.
Welsh-English dictionary of common names to the marine species of Wales. Published by Cyngor Cefn Gwlad Cymru in 2002. Publication and catalogue information, links to buy online and reader comments.