WHITTINGTON, H. B.; WILMOT, N. V.; CLARKSON, E. N. K. Part O, Arthropoda 1 (Revised), vol. 1, ch. 1, p. 1-135. Treatise on Invertebrate Paleontology, [S. l.], 1997. DOI: 10.17161/dt.v0i0.5611. Disponível em: https://journals.ku.edu/InvertebratePaleo/article/view/5611. Acesso em: 2 apr. 2025.