Siphonocryptida is an order of millipedes, comprising the sole family Siphonocryptidae. With only six described species, the Siphonocryptida is the second smallest millipede order, surpassed only by Siphoniulida, with two species.
Species taxanomy provided by GBIF Secretariat (2022). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 2023-06-13; License: CC BY 4.0