| Juliformia Temporal range:
| |
|---|---|
| |
| Sagmatostreptus strongylopygus (Spirostreptidae) from Tanzania | |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Subphylum: | Myriapoda |
| Class: | Diplopoda |
| Subclass: | Chilognatha |
| Infraclass: | Helminthomorpha |
| Subterclass: | Eugnatha |
| Superorder: | Juliformia Attems, 1926 |
| Orders | |
| Synonyms | |
|
Opisthospermophora Verhoeff, 1900 | |
Juliformia is a taxonomic superorder of millipedes containing three living orders: Julida, Spirobolida, and Spirostreptida, and the extinct group Xyloiuloidea known only from fossils.