Temporal range: Late Carboniferous
Xyloiulus bairdi Hoffman, 1963
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.
- Hoffman, R.L. (1963). "New genera and species of Upper Paleozoic Diplopoda". Journal of Paleontology. 37 (1): 167–174. JSTOR 1301419.
- Palmer, Douglas; et al. (2009). Prehistoric Life: The Definitive Visual History of Life on Earth (first American ed.). New York City: DK Publishing. p. 161. ISBN 9780756655730.
- Annals of the New York Academy of Sciences. New York Academy of Sciences. 1897-01-01. p. 3.
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