1. A monograph of the fresh-water polyzoa : including all the known species, both British and foreign / by George James Allman.
2. Explication sommaire des planches de polypes de l'Egypte, et de la Syrie;Audouin;Description de I'Egypte, Histoire Naturelle,1826
3. An account of the Polyzoa and Sertularian Zoophytes, collected in the voyage of the “Rattlesnake” on the coast of Australia and the Louisade Archipelago, etc. Appendix no. IV;Busk;Narrative on the Voyage of H.M.S. Rattlesnake,1852
4. Canu F. Bassler RS 1920 North American early Tertiary cheilostome Bryozoa U.S. National Museum, Bulletin 106 1 Vol. 2
5. North American later Tertiary and Quaternary Bryozoa;Canu;U.S. National Museum, Bulletin,1923