MALETZ, J.; LOYDELL, D. K. Treatise Online no. 156: Part V, Second Revision, Chapter 28: Family Monograptidae: Introduction, morphology, and systematic descriptions. Treatise Online, [S. l.], 2021. Disponível em: https://journals.ku.edu/treatiseonline/article/view/15934. Acesso em: 26 jun. 2022.