MOORE, R. C. Part V, Graptolithina, Complete Volume. Treatise on Invertebrate Paleontology, [S. l.], 1955. DOI: 10.17161/tip.v0i0.5407. Disponível em: https://journals.ku.edu/InvertebratePaleo/article/view/5407. Acesso em: 18 apr. 2025.