ROBISON, R. A. Part G, Bryozoa (Revised), vol. 1, Front Matter. Treatise on Invertebrate Paleontology, [S. l.], 1983. DOI: 10.17161/dt.v0i0.5178. Disponível em: https://journals.ku.edu/InvertebratePaleo/article/view/5178. Acesso em: 9 apr. 2025.