A mountain of millipedes XI. The trachystreptoform spirostreptids of the Udzungwa Mountains, Tanzania (Diplopoda, Spirostreptida, Spirostreptidae) Author Enghoff, Henrik 9B9D901F-D6C8-4BCA-B11B-CF6EE85B16DC Natural History Museum of Denmark, University of Copenhagen, Universitetsparken 15, DK- 2100 Copenhagen Ø, Denmark. henghoff@snm.ku.dk Author Ngute, Alain S. K. 4F621C77-C4E7-49C8-ABB2-C6FF1DFD60C6 Forest Research Institute, University of the Sunshine Coast, Sippy Downs, Queensland, Australia. Alain.Ngute@research.usc.edu.au Author Kwezaura, Revocatus L. 2F3825C9-B029-4C61-A0BB-F754D043873C Reforest Africa, Mang’ula, Kilombero District, Tanzania. rauliean@gmail.com Author Laizzer, Richard L. 575788A0-E532-4292-A9D5-F21DAE7742E6 Udzungwa Ecological Monitoring Centre, Udzungwa Mountains National Park, Mang’ula, Kilombero District, Tanzania. richardlowassary@gmail.com Author Lyatuu, Herman M. 7659F933-34F5-4D57-A2E4-F1DBCAC8186E Reforest Africa, Mang’ula, Kilombero District, Tanzania. lyatuuherman@gmail.com Author Mhagawale, Waziri E485EE38-FFDB-4859-8679-CFA20A5FFD3F Reforest Africa, Mang’ula, Kilombero District, Tanzania. mhagawalewaziri@gmail.com Author Mnendendo, Hamidu R. 02489B44-5503-42BF-8DD9-1F40930F0D4D Reforest Africa, Mang’ula, Kilombero District, Tanzania. hamidumnendendo@gmail.com Author Marshall, Andrew R. 0AE8656F-DA17-4955-95A9-1B9EF7910037 Forest Research Institute, University of the Sunshine Coast, Sippy Downs, Queensland, Australia. & Reforest Africa, Mang’ula, Kilombero District, Tanzania. & Flamingo Land Ltd., Kirby Misperton, North Yorkshire, UK. amarsha1@usc.edu.au text European Journal of Taxonomy 2024 2024-01-22 918 1 1 50 https://europeanjournaloftaxonomy.eu/index.php/ejt/article/download/2405/10603 journal article 10.5852/ejt.2024.918.2405 2118-9773 10554532 8E007E74-FB24-422F-AFA8-033A2D172839 Calostreptus chelys Cook, 1895 Fig. 24 Material examined (total 2 ♂♂ ) TANZANIA1 ♂ ; Pwani Region , Kisarawe District , Rivu South Forest Reserve ; 140 m a.s.l. ; date?; Frontier Tanzania leg.; NHMD 84658 1 ♂ ; Kilimanjaro Region , Rombo District , at Lake Chala ; 03°18′30″ S , 37°41′10″ E ; 880 m a.s.l. ; 1 Dec. 2020 ; C. Hemp leg.; NHMD 1184659 . This species does not occur in the Udzungwa Mts, but Fig. 24 shows important morphological details of C. chelys for comparison with Udzungwastreptus mariane Enghoff gen. et sp. nov.