''Spirostreptus modestus'', is a species of round-backed millipede in the family

Spirostreptidae Spirostreptidae is a family of millipedes in the order Spirostreptida. It contains around 100 genera distributed in North and South America, the eastern Mediterranean, continental Africa, Madagascar, and Seychelles. It contains the following gene ...

. It is endemic to

Sri Lanka Sri Lanka (, ; si, ශ්‍රී ලංකා, Śrī Laṅkā, translit-std=ISO (); ta, இலங்கை, Ilaṅkai, translit-std=ISO ()), formerly known as Ceylon and officially the Democratic Socialist Republic of Sri Lanka, is an ...

References

Spirostreptida Endemic fauna of Sri Lanka Millipedes of Asia Animals described in 1866 {{Myriapoda-stub