Bryozoan Small 320×268 Medium 640×537 Large 1024×859 Download Tiff Original 2400×2013 | (939.6 KB) Description A modern Bryozoan, a cluster of branches. Keywords branch, bryozoan, coral, lime, marine animal Galleries Microorganisms Source: Amadeus W. Grabau A Textbook of Geology (Boston: D.C. Heath & Co., 1920) 307