NIXON, Marion. Treatise Online, no. 23: Part M, Chapter 7: Ecology and mode of life. Treatise Online, [S. l.], 2011. DOI: 10.17161/to.v0i0.4191. Disponível em: https://journals.ku.edu/treatiseonline/article/view/4191. Acesso em: 10 apr. 2025.