BOARDMAN, R. S.; CHEETHAM, A. H. Part G, Bryozoa (Revised), vol. 1, ch. 1, p. 1-137. Treatise on Invertebrate Paleontology, [S. l.], 1983. DOI: 10.17161/dt.v0i0.5179. Disponível em: https://journals.ku.edu/InvertebratePaleo/article/view/5179. Acesso em: 9 apr. 2025.