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genus Semionellus:
Semionellus michig**** (Chamberlin, 1946)
Semionellus placidus (Wood, 1864)
Semionellus tertius Chamberlin, 1948 "
Semionellus". Integrated...
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Semionellus placidus is a
species of flat-backed
millipede in the
family Xystodesmidae. It is
found in
North America. "
Semionellus placidus". Integrated...
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Chonaphini Verhoeff, 1941
Chonaphe Metaxycheir Montaphe Selenocheir Semionellus Tubaphe Devilleini Brölemann, 1916
Devillea Nannarini Hoffman, 1964 Nannaria...
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Riukiaria c g
Rudiloria Causey, 1955 i c g
Selenocheir S****ey, 1994 i c g b
Semionellus Chamberlin, 1920 i c g b
Sigmocheir Chamberlin, 1951 i c g b Sigmoria...
- & Gardner, 1969
Montaphe Chamberlin, 1949
Selenocheir S****ey, 1994
Semionellus Chamberlin, 1920
Tubaphe Causey, 1954 "Chonaphini Report". Integrated...
