SANDBERG, P. A.; UTGAARD, John; CHEETHAM, A. H.; WOOD, T. S. Part G, Bryozoa (Revised), vol. 1, ch .3, p. 238-357. Treatise on Invertebrate Paleontology, [S. l.], 1983. DOI: 10.17161/dt.v0i0.5181. Disponível em: https://journals.ku.edu/InvertebratePaleo/article/view/5181. Acesso em: 13 apr. 2025.