Onychelus
Cook, 1904
Onychelus is a of in the Atopetholidae, established by Cook in 1904. The genus contains at least three described : Onychelus michelbacheri, Onychelus obustus, and Onychelus suturatus. These millipedes belong to the Spirobolida, a group of large, cylindrical millipedes commonly known as giant millipedes or round-backed millipedes.
Pronunciation
How to pronounce Onychelus: /ˈɒnɪkɛləs/
These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.
Identification
Onychelus can be distinguished from other atopetholid by their membership in the Onychelinae. Specific diagnostic features for the genus are not documented in available sources. -level identification requires examination of and other subtle anatomical characters.
Distribution
Documented from Arizona and California in the United States. The appears to be restricted to the southwestern Nearctic region.
Similar Taxa
- Other Atopetholidae generaOnychelus shares -level characteristics with other atopetholids but is distinguished by its placement in the Onychelinae, separating it from in other subfamilies.
More Details
Taxonomic history
The was established by O.F. Cook in 1904 with Onychelus obustus as the . The Onychelinae was erected to accommodate this genus.
Species diversity
Only three have been formally described, suggesting either genuine low diversity or incomplete taxonomic sampling of the .