Chamon, C. C., and T. C. E. Silva. “Pseudacanthicus major: Description of One of the Largest Known Loricariidae (Hypostominae: Ancistrini), a Species from Rio Tocantins Basin, Brazil”. Zootaxa, vol. 4387, no. 3, Feb. 2018, pp. 499–510, doi:10.11646/zootaxa.4387.3.5.