original description
Porat, C. O. von (1894). Zur Myriopodenfauna Kameruns. Kongl. Svenska Vetenskaps-Akademiens handlingar, Bihang, 20(5): 3-89. Stockholm, available online at https://biodiversitylibrary.org/page/14232226
page(s): 70-71, figs. 32-32e [details]
additional source
Attems, C. M. T. Graf von. (1914). Afrikanische Spirostreptiden nebst Überblick über die Spirostreptiden orbis terrarum. <em>Zoologica (Stuttgart).</em> 25(65-66): 1-235. Stuttgart., available online at https://www.zobodat.at/pdf/Zoologica_25_65-66_0001-0233.pdf, https://www.biodiversitylibrary.org/page/10232973
page(s): 58-59, pl. 1, figs. 4-5 [details] 
additional source
Carl, J. (1905). Diplopodes de la Guinée espagnole. Memorias de la Real Sociedad Española de Historia Natural, 1(15): 261-284, available online at https://www.biodiversitylibrary.org/page/12197528
page(s): 280 [details]
From editor or global species database
Original description p. 70 Spirostreptus canaliculatus Porat, 1894
Original description p. 71 Spirostreptus canaliculatus Porat, 1894
Original description figs. 32-32e Spirostreptus canaliculatus Porat, 1894