''Semionellus'' is a genus of
flat-backed millipede
Polydesmida (from the Greek language, Greek ''poly'' "many" and ''desmos'' "bond") is the largest order (biology), order of millipedes, with more than 5,000 species, including all the millipedes reported to produce hydrogen cyanide (HCN). This or ...
s in the family
Xystodesmidae
Xystodesmidae is a family of millipedes in the suborder Leptodesmidea within the order Polydesmida (the "flat-backed" or "keeled" millipedes). The family Xystodesmidae was created by the American biologist Orator F. Cook in 1895 and named after ...
. There are at least three described species in ''Semionellus''.
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Species
These three species belong to the genus ''Semionellus'':
* '' Semionellus michiganus'' (Chamberlin, 1946)
* '' Semionellus placidus'' (Wood, 1864)
* '' Semionellus tertius'' Chamberlin, 1948
References
Further reading
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Polydesmida
Millipede genera
Taxa named by Ralph Vary Chamberlin
Articles created by Qbugbot
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