Louis H. du Preez is a professor of Zoology at North-West University in Potchefstroom, South Africa and heads the African Amphibian Conservation Research Group. He holds a PhD in amphibian parasitology and his research interests include parasites, diseases and conservation of amphibians and freshwater turtles with a special focus on polystomatid flatworms.

Willem Johannes Landman is a microscopy specialist and herpetology collections manager at the North-West University in Potchefstroom, South Africa. He holds a MSc in parasitology and his research interests include microscopy, parasitology with a particular focus on polystomatid flatworms, and taxonomic illustrations.

Olivier Verneau is a professor of biology at the University of Perpignan. He holds a PhD in host (fish) - parasite (tapeworms) coevolution. His research interests include biogeography, taxonomy, systematics and evolution of hosts and their parasites. He worked extensively on the herpetofauna of France with a special focus on the threatened Mediterranean turtle Mauremys leprosa.