Template:Penney & Racek, 1968

• Penney, J.T.† & Racek, A.A. 1968. Comprehensive revision of a worldwide collection of freshwater sponges (Porifera: Spongillidae). Bulletin of the United States National Museum 272: 1–184. BHL  
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Nomenclatural acts

• Date of publication: 1968

New names (4)

• Spongilla cenota [p. 18]
• Radiospongilla [p. 61]
• Heterorotula [p. 96]
• Umborotula [p. 121]