Zhao, Z., and Y. Xu. “New Zealand Species of the Genus Tripyla Bastian, 1865 (Nematoda: Triplonchida: Tripylidae). II: Two New, a Known Species and Key to Species”. Zootaxa, vol. 3637, no. 4, Apr. 2013, pp. 432–449, doi:10.11646/zootaxa.3637.4.3.