Pimvichai, P., Enghoff, H., Panha, S., & Backeljau, T. (2016). A revision of the Thyropygus allevatus group. Part V: Nine new species of the extended opinatus subgroup, based on morphological and DNA sequence data (Diplopoda: Spirostreptida: Harpagophoridae). European Journal of Taxonomy, (199). https://doi.org/10.5852/ejt.2016.199