WHITTINGTON, H. B.; SPEYER, Stephen E.; CHATTERTON, Brian D. E. Part O, Arthropoda 1 (Revised), vol. 1, ch. 2, p. 137-247. Treatise on Invertebrate Paleontology, [S. l.], 1997. DOI: 10.17161/dt.v0i0.5612. Disponível em: https://journals.ku.edu/InvertebratePaleo/article/view/5612.. Acesso em: 6 may. 2024.