Contributions to the morphology of the group Neritacea of the aspidobranch gastropods. Part II. The Helicinidae
Published in Proceedings of the Zoological Society of London, in 1911, in volume 1911, pages 759-809
Date published:1911
Published in Proceedings of the Zoological Society of London, in 1911, in volume 1911, pages 759-809
Date published:1911