| Trigoniulidae | |
|---|---|
 | |
| Trigoniulus corallinus | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Subphylum: | Myriapoda |
| Class: | Diplopoda |
| Order: | Spirobolida |
| Family: | Trigoniulidae Cook, 1897 |
| Diversity | |
| c. 25 genera, 171 species | |
Trigoniulidae, is a family of round-backed millipedes of the order Spirobolida. The family includes 171 species belongs to 25 genera. [1]