Spirostreptus is a genus of giant millipedes of the family Spirostreptidae. It contains the following species: \n* Spirostreptus abstemius Karsch, 1881 \n* Spirostreptus acicollis Porat \n* Spirostreptus aciculatus Pocock \n* Spirostreptus acutangulus (Brandt, 1841) \n* Spirostreptus acutanus Karsch, 1881 \n* Spirostreptus acutus Humbert & Saussure, 1870 \n* Spirostreptus adumbratus Porath, 1872 \n* Spirostreptus aequalis Porath, 1872 \n* Spirostreptus aguaytianus Chamberlin, 1941 \n* Spirostreptus alligans Karsch, 1881 \n* Spirostreptus alticinctus Karsch, 1881 \n* Spirostreptus amandus Attems, 1914 \n* Spirostreptus amictus Karsch, 1881 \n* Spirostreptus amphibolius Karsch, 1881 \n* Spirostreptus amphobolinus Karsch \n* Spirostreptus amputus Karsch, 1881 \n* Spirostreptus anaulax Attems,