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Semionellus Chamberlin, 1920
Source
Rank
genus
species:1019161
Proc. biol. Soc. Wash. , 33, 97.
Classification
Xystodesmidae Cook, 1895
Semionellus Chamberlin, 1920
Semionellus michiganus Chamberlin, 1946
Semionellus placidus (Wood, 1864)