The simple ascidians from the north-eastern Pacific in the collection of the United States National Museum
Ritter, W E
Article
1913
Proceedings of the United States National Museum
45
427--505
BioStor
English
Washington Smithsonian Institution Press, [etc.]
BioStor: https://biostor.org/reference/58649 DOI: https://doi.org/10.5479/si.00963801.45-1989.427