MOORE, Raymond C. Part V, Graptolithina, Front Matter. Treatise on Invertebrate Paleontology, [S. l.], 1955. DOI: 10.17161/tip.v0i0.5404. Disponível em: https://journals.ku.edu/InvertebratePaleo/article/view/5404. Acesso em: 13 apr. 2025.