
Spirobolida: Spirobolidae. Narceus americanus (Beauvois, 1817).
North America, Canada, Quebec. Photo courtesy of J. D. Brisson.

Spirobolida: Spirobolidae. Narceus
americanus (Beauvois, 1817). North America, USA, West Virginia.
Photo by D.R. Whitehead.

Spirobolida: Spirobolidae. Narceus gordanus (Chamberlin,
1943). North America, USA, Florida, Marion Co., Ocala
National Forest. Photo courtesy of L. T. Pusser & J. C.
Beane.

Spirobolida:
Spirobolidae. Tylobolus uncigerus (Wood, 1864) North America, USA,
Oregon, Benton Co., Photo courtesy of W. P. Leonard.
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Spirobolida: Spirobolidae. Narceus
americanus (Beauvois, 1817). North America, Canada, Quebec. Photo
courtesy of J. D. Brisson.

Spirobolida: Spirobolidae. Narceus gordanus (Chamberlin, 1943),
anterior end of male, ventral view. North America, USA, Florida,
Marion Co., Ocala National Forest. Photo courtesy of L. T. Pusser &
J. C. Beane.

Spirobolida: Spirobolidae. Tylobolus
uncigerus (Wood, 1864). North America, USA, Oregon, Benton Co. Photo
courtesy of W.P. Leonard.

Spirobolida: Spirobolidae. Hiltonius carpinus vulcan (Chamberlin,
1922). Mexico, Guerrero. Photo courtesy of M. van de Merwe.
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Spirobolida: Spirobolidae. Narceus americanus (Beauvois,
1817). North America, Canada, Quebec. Photo courtesy of J. D. Brisson.

Spirobolida:
Spirobolidae. Narceus gordanus, anterior end of head; note stain on finger from
defensive secretion. North America, USA, Florida, Marion Co., Ocala National
Forest. Photo by L. T. Pusser & J. C. Beane.

Spirobolida: Spirobolidae. Tylobolus uncigerus
(Wood, 1864). North America, USA, Oregon, Benton Co. Photo courtesy of W.P.
Leonard.

Spirobolida: Spirobolidae. Hiltonius carpinus
vulcan (Chamberlin, 1922). Mexico, Guerrero. Photo courtesy of M. van de Merwe.
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Spirobolida: Spirobolidae. Narceus
americanus (Beauvois, 1817). North America, USA, North Carolina.

Spirobolida: Spirobolidae. Chicobolus
spinigerus (Wood, 1864), the "Ivory Millipede." North America, USA,
Florida. Note characteristic white ventrolateral markings.

Spirobolida: Spirobolidae. Tylobolus
castaneus Chamberlin, 1918. North America, USA, California. Photo
courtesy of M. van de Merwe.

Spirobolida: Spirobolidae. Hiltonius
carpinus vulcan (Chamberlin, 1922). Mexico, Guerrero. Photo courtesy
of M. van de Merwe.
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