Xyloiuloidea
| Xyloiuloidea Temporal range:
| |
|---|---|
| Xyloiulus mazonus | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Subphylum: | Myriapoda |
| Class: | Diplopoda |
| Subclass: | Chilognatha |
| Infraclass: | Helminthomorpha |
| Subterclass: | Eugnatha |
| Superorder: | Juliformia |
| Order: | incertae sedis |
| Superfamily: | †Xyloiuloidea Cook, 1895 |
| Families | |
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Xyloiuloidea is an extinct superfamily of millipedes that existed from the Lower Devonian through the Upper Pennsylvanian period in Europe and North America.