HEDGPETH, Joel W. Part P, Arthropoda 2, ch. 3, p. 163-173. Treatise on Invertebrate Paleontology, [S. l.], 1956. DOI: 10.17161/dt.v0i0.5342. Disponível em: https://journals.ku.edu/InvertebratePaleo/article/view/5342.. Acesso em: 28 apr. 2024.