Iwama, R.E. & Arruda, E.P. (2016)

Leeches of the genus Helobdella (Clitellata: Hirudinida) from São Paulo, Brazil with descriptions of two new species using micro-computed tomography and a new record of Barbronia weberi (Blanchard 1897)

. Zootaxa, 4144 (3), 411–429.