original descriptionGolovatch, S.; Evsyukov, A.; Reip, H. S. (2015). Colobognatha millipedes in the Caucasus (Diplopoda: Polyzoniida, Platydesmida, Siphonocryptida). <em>Zootaxa.</em> 3972(2): 250., available online athttps://doi.org/10.11646/zootaxa.3972.2.6 page(s): 260; note: Fig 6-10 [details]
additional sourceZuev, R. V. (2017). The relict millipede Hirudicryptus abchasicus Golovatch, Evsyukov et Reip, 2015, represents a species, genus, family and order new to the fauna of Russia (Diplopoda: Siphonocryptida: Siphonocryptidae). <em>Russian Entomological Journal.</em> 26(3): 283-286., available online athttps://doi.org/10.15298/rusentj.26.3.12 page(s): 284; note: Fig 2-5, map [details]