BioStor
 | Über die Batrachier Australiens W Keferstein (1868) Archiv für Naturgeschichte. Berlin 34: 253-290 |
 | A synopsis of American Early Tertiary Cheilostome Bryozoa F Canu, and R S Bassler (1917) United States National Museum Bulletin 96: 1-87 |
 | Fossil and Recent Bryozoa of the Gulf of Mexico Region (1928) Proceedings of The United States National Museum 72: 1-199 |