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Onomeris

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Onomeris
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Myriapoda
Class: Diplopoda
Order: Glomerida
Family: Glomeridae
Genus: Onomeris
Cook, 1896

Onomeris is a genus of pill millipede found in the eastern United States.[1][2] First described by Orator F. Cook in 1896, Onomeris was first posited as the type genus of a new family called Onomeridae, but this was later rejected due to similarities between Onomeris and the European genus Glomeris, another Glomeridae genus.[3]

Description

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Onomeris millipedes are smaller than other Glomeridae genera, generally measuring less than 5 mm in body length, and 2 mm in width They are light grayish or brown in color, with darker posterior and lateral edges. Some specimens have pale lateral spots.[4]

Onomeris millipede antennae are strongly genticulated, with the sixth joint folding against the third. These antennae extend from two deep pits near the median line to the single vertical row of eyes.

In males, the 17th pair of legs has only rudimentary joints and enlarged coxae.

Species

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References

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  1. ^ "MilliBase - Onomeris Cook, 1896". millibase.org. Retrieved 8 June 2025.
  2. ^ Wesener, Thomas (17 December 2010). "Revision of the American Pill Millipedes I: Onomeris and Trichomeris (Diplopoda, Glomerida, Glomeridae)". Zootaxa. 2725 (1). doi:10.11646/zootaxa.2725.1.2. Retrieved 8 June 2025.
  3. ^ Causey, Nell B.; Causey, Nell B. (1959). "New records of Onomeris undenvoodi Cook (Diplopoda: Glomerida: Glomeridae)". Proceedings of the Biological Society of Washington. 72: 151––153. Retrieved 8 June 2025.
  4. ^ Cook, O. F. (1896). Brandtia; a series of occasional papers on Diplopoda and other Anthropoda,. doi:10.5962/bhl.title.125177. Retrieved 8 June 2025.