CAMPBELL, Arthur Shackelton; MOORE, Raymond C. Part D, Protista 3, Ch. 1, p. 1-29. Treatise on Invertebrate Paleontology, [S. l.], 1954. DOI: 10.17161/tip.v0i0.5099. Disponível em: https://journals.ku.edu/InvertebratePaleo/article/view/5099. Acesso em: 30 mar. 2025.