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Semionellus Chamberlin, 1920
Semionellus Chamberlin, 1920; Proc. Biol. Soc. Washington, 33: 97, TS: Polydesmus placidus Wood
Semionellus ; [NAML, 47]

Semionellus placidus (Wood, 1864)
from (Minnesota, Michigan) - New York - W.Maryland - NA.Georgia (Fort Benning). See [About maps] Polydesmus (Leptodesmus) placidus Wood, 1864; Proc. Acad. Nat. Sci. Philad. 16 : 9
Polydesmus (Leptodesmus) floridus Wood, 1864; Proc. Acad. Nat. Sci. Philad. 16 : 9, TL: Michigan
Leptodesmus borealis Bollman, 1893; U.S. Nat. Mus. Bull. 46 (ed. Underwood): 183, TL: Winona, Minnesota
Chonaphe michigana Chamberlin, 1946; Proc. Biol. Soc. Washington, 59: 31, f. 1, TL: Midland Co., Michigan
Semionellus placidus ; [NAML, 47]; Chamberlin, 1920, Proc. Biol. Soc. Washington, 33: 97; Chamberlin, 1946, Ent. News, 57: 24, f. 3
Trichomorpha placida ; Attems, 1938, in Das Tierreich, Lief 69 (Polydesmoidea II): 119


8.1.2001 (1)

References:
[About maps]
Warning! The maps are automatically generated from the textual information, and the process does not always produce acceptable result; See about maps for more info.
[NAML]
Chamberlin & Hoffman, 1958; U.S. Nat. Mus. Bull. 212; Checklist of the Millipeds of the North America


Some related literature:
Attems, 1938
Fam. Leptodesmidae, Platyrhachidae, Oxydesmidae, Gomphodesmidae in Das Tierreich, Lief 69 (Polydesmoidea II): 1-487, f. 1-509
Chamberlin, 1920
A new leptodesmoid diplopod from Louisiana Proc. Biol. Soc. Washington, 33: 97-100
Chamberlin, 1946
Two new species of the milliped genera Chonaphe and Aniulus Proc. Biol. Soc. Washington, 59: 31-34, f. 1-4
Chamberlin, 1946
Texophon, a new genus in the diplopod family Lysiopetalidae Ent. News, 57: 97-99, f. 1-2
Wood, 1864
Descriptions of new species of North American Polydesmidae Proc. Acad. Nat. Sci. Philad. 16 : 6-10


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Keep in mind that the taxonomic information is copied from various sources, and may include many inaccuracies. Expert help is welcome.