Xyloiulus
| Xyloiulus Temporal range: | |
|---|---|
| Syntype of X. mazonus (USNM 38036) | |
| Scientific classification | |
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| Family: | †Xyloiulidae Cook, 1895 |
| Genus: | †Xyloiulus Cook, 1895 |
| Type species | |
| Xyloiulus sigillariae (Dawson), 1860 | |
| Species | |
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Xyloiulus bairdi Hoffman, 1963 | |
| Synonyms | |
|
Xylobius | |
Xyloiulus is an extinct genus of millipede that lived during the Late Carboniferous which grew up to 2.25 inches (5.7 cm) in length. Fossils of the animal have been found in North America and Europe. The fossils are typically found in Sigillarian stumps.