Pixell, Helen L. M. (1912). Polychaeta from the Pacific coast of North America. Part I. Serpulidae, with a revised table of classification of the genus Spirorbis. Proceedings of the Zoological Society of London. [1912 part 3-4]: 784-805, plates 87-89 [follow p.784].
51426
Pixell, Helen L. M.
1912
Polychaeta from the Pacific coast of North America. Part I. Serpulidae, with a revised table of classification of the genus Spirorbis
Proceedings of the Zoological Society of London
[1912 part 3-4]: 784-805, plates 87-89 [follow p.784]