M.  Bodner, Gruber, J., and Akkari, N., ?Checklisten der Fauna Österreichs, No. 10. Julida (Myriapoda: Diplopoda)?, Verlag der Österreichischen Akademie der Wissenschaften, 35, 2020.

S. Ilyich Golovatch, Mauriès, J. - P., and Akkari, N., ?On the collections of Indo-Australian Spirobolida (Diplopoda) kept in the Zoological Museum of the Moscow State University, Russia. 2. Two new species of Spirobolellus Pocock, 1894 from islands off Papua New Guinea and Australia?, Arthropoda Selecta, vol. 29, no. 4, pp. 399-407, 2020.

S. Ilyich Golovatch, Mauriès, J. - P., and Akkari, N., ?On the collections of Indo-Australian Spirobolida (Diplopoda) kept in the Zoological Museum of the Moscow State University, Russia. 1. A new species of Arisemolus Hoffman, 1980 from Papua New Guinea?, Arthropoda Selecta, vol. 29, no. 3, pp. 309-315, 2020.

P.  Pimvichai, Akkari, N., Semenyuk, I., Constant, J., and Enghoff, H., ?A strikingly coloured new giant millipede from Vietnam has copycat in Borneo (Diplopoda, Spirostreptida, Harpagophoridae)?, European Journal of Taxonomy, vol. 722, pp. 1-15, 2020.

R. M. P.  Fonseca, Akkari, N., and Chagas-Jr, A., ?On the identity of the centipede Sogona cyclareata Attems, 1947 (Geophilomorpha, Geophilidae)?, Zootaxa, vol. 4852, no. 5, pp. 571-577, 2020.

D. ?.  Anti? and Akkari, N., ?Haasea Verhoeff, 1895?a genus of tumultuous history and chaotic records?redefinition, revision of taxonomy and geographic distributions, with descriptions of two new species from Austria and Serbia (Diplopoda, Chordeumatida, Haaseidae)?, Zootaxa, vol. 4798, no. 1, pp. 1-77, 2020.

V.  Vahtera, Stoev, P., and Akkari, N., ?Five million years in the darkness: A new troglomorphic species of Cryptops Leach, 1814 (Chilopoda, Scolopendromorpha) from Movile Cave, Romania?, ZooKeys, vol. 1004, pp. 1-26, 2020.

A. ?S.  Ganske, Vahtera, V., Dányi, L., Edgecombe, G. D., and Akkari, N., ?Phylogeny of Lithobiidae Newport, 1844, with emphasis on the megadiverse genus Lithobius Leach, 1814 (Myriapoda, Chilopoda)?, Cladistics, pp. 1-23, 2020.

G. D.  Edgecombe, Akkari, N., Netherlands, E. C., and Preez, G. D., ?A troglobitic species of the centipede Cryptops (Chilopoda, Scolopendromorpha) from northwestern Botswana?, ZooKeys, vol. 977, pp. 25-40, 2020.