Number: 374, Pages: 1 - 9
A small material of diplopods of the order Chordeumatida from Far East of Russia and Siberia housed in the Natural History Museum of Denmark (Copenhagen, Denmark) appears to contain four known species, i.e. Hoffmaneuma exiguum Golovatch, 1978, Diplomaragna konyukhovi Mikhaljova, 2016, Diplomaragna terricolor (Attems, 1899) and Underwoodia kurtschevae Golovatch, 1980, and two new species, Altajosoma kultukensis Mikhaljova sp. n. and Pacifiosoma koiensis Mikhaljova sp. n. from Irkutskaya oblast and Khabarovskii krai respectively. Remarks are provided for all species studied.
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