Miranda, V. D. R., A. C. D. S. Brasil, and C. S. G. Santos. “A New Species of Pisionidens (Aiyar &Amp; Alikunhi, 1943) (Annelida: Sigalionidae) from Southeastern Brazil”. Zootaxa, vol. 4173, no. 2, Oct. 2016, pp. 114–124, doi:10.11646/zootaxa.4173.2.2.