A mountain of millipedes XII. The Chelodesmidae of the Udzungwa Mountains, Tanzania (Diplopoda, Polydesmida)

The species of the millipede family Chelodesmidae from the Udzungwa Mountains are (re)described, including one new genus and six new species: M orogorius divisus Enghoff sp. nov., M. louishanseni Enghoff sp. nov., M. pugio Enghoff sp. nov., M. kitugulu Enghoff sp. nov., M. cochlear Enghoff sp. nov., Tanzaniella howelli Hoffman, 1977, Dionaeadesmus force Enghoff gen. et sp. nov., and Callistocilla dolorotrix Hoffman, 2005. Tanzaniella howelli is also recorded from Magombera Nature Reserve. The discussion includes comments on paranotal microsculpture, globular structures flanking the spinnerets, a gonopodal coxal process, altitudinal distribution, and the possible recent immigration of T. howelli into the Udzungwa Mts.