File:EB1911 Polyzoa - Transverse Sections - A, of Membranipora - B, of Cribrilina.jpg
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EB1911_Polyzoa_-_Transverse_Sections_-_A,_of_Membranipora_-_B,_of_Cribrilina.jpg (485 × 206 pixels, file size: 22 KB, MIME type: image/jpeg)