Reference
Piyatida Pimvichai, Henrik Enghoff, Thierry Backeljau (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 – 0199: 1 - 37.