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| North American later Tertiary and Quaternary Bryozoa F Canu, and R S Bassler (1923) United States National Museum Bulletin 125: 1-302 | |
| Fossil and Recent Bryozoa of the Gulf of Mexico Region (1928) Proceedings of The United States National Museum 72: 1-199 | |
| The Bryozoa of the Galapagos Islands F Canu, and R S Bassler (1930) Proceedings of the United States National Museum 76: 1-78 | |
| Bryozoa of the Pacific Coast of America. Part 2, Cheilostomata Ascophora Raymond C Osburn (1952) Allan Hancock Pacific Expedition 14: 1-611 | |
| A Checklist Of The Bryozoa Of The Galapagos W C Banta and J C Redden (1990) Proceedings of The Biological Society of Washington 103: 789-802 |