Pseudopolydesmus erasus
(Loomis, 1943)
Pseudopolydesmus erasus is a of flat-backed millipede in the Polydesmidae, originally described by Loomis in 1943 under the Polydesmus. It belongs to the order Polydesmida, a group characterized by their dorsoventrally flattened bodies and lateral extensions (paranota) on most body segments. The species is known from North America, though detailed natural history information remains limited in published literature.
Pronunciation
How to pronounce Pseudopolydesmus erasus: //ˌsjuːdoʊpɒlɪˈdɛzməs ɪˈreɪsəs//
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Identification
Distinguishing P. erasus from requires examination of , particularly the structure of the male reproductive appendages on the seventh body segment. -level identification within Pseudopolydesmus generally relies on subtle differences in gonopod shape and telopodite structure. Comparison with or authoritative revisions is necessary for reliable determination.
Images
Appearance
As a member of the order Polydesmida, this exhibits the characteristic flat-backed body form with lateral paranota extending from the surface. Individuals possess the typical diplopodan body plan with numerous segments, each bearing two pairs of legs except for the segments. Specific coloration and body proportions for P. erasus are not documented in available sources.
Distribution
North America. Specific range details within this region are not documented in available sources.
Similar Taxa
- Pseudopolydesmus serratusA congeneric also found in North America; distinguished by differences in and potentially geographic distribution.
- Other Polydesmidae generaMembers of related in the same share the flat-backed body form but differ in structure and other subtle morphological features.
More Details
Taxonomic history
Originally described as Polydesmus erasus by Loomis in 1943, this was later transferred to the Pseudopolydesmus. The genus Pseudopolydesmus is part of the diverse Polydesmidae, which contains numerous species with limited modern taxonomic revision.