In 2019, Kvach & de Buron added to the family a new species, Harpagorhynchus golvaneuzeti, which represents a new genus, Harpagorhynchus and a new subfamily, the Harpagorhynchinae.[5] The specific epithet refers to two famous French parasitologists, Yves-Jean Golvan and Louis Euzet.[5]
^Amin, A. O. (2013). Classification of the acanthocephala. Folia Parasitologica, 60(4), 273–305.
^ abcTkach, V.V., Lisitsyna, O.I., Crossley, J.L. et al. Morphological and molecular differentiation of two new species of Pseudoacanthocephalus Petrochenko, 1958 (Acanthocephala: Echinorhynchidae) from amphibians and reptiles in the Philippines, with identification key for the genus. Syst Parasitol 85, 11–26 (2013). https://doi.org/10.1007/s11230-013-9409-8.
^ abcdSmales, L. R., Allain, S. J. R., Wilkinson, J. W., & Harris, E. (2020). A new species of Pseudoacanthocephalus (Acanthocephala: Echinorhynchidae) from the guttural toad, Sclerophrys gutturalis (Bufonidae), introduced into Mauritius, with comments on the implications of the introductions of toads and their parasites into the UK. Journal of Helminthology, 94, E119. doi:10.1017/S0022149X19001044