Comprehensive revision of a worldwide collection of freshwater sponges
Subtitle: (Porifera: Spongillidae)
By: [by] J. T. Penney and A. A. Racek.
Contributors: Racek, A. A., joint author.
Series: United States. National Museum. Bulletin ;; 272; Bulletin (United States National Museum) ;; 272.
Publisher: Smithsonian Institution Press; for sale by the Supt. of Docs., U.S. Govt. Print. Off.
Published: 1968
Place of publication: Washington
Language: eng
Number of pages: 184
Subjects: Freshwater sponges -- Classification.
Genres: Classification.
Notes: Bibliography: p. 161-174.