The Myriapoda (Millipedes, Centipedes) Featuring the North American Fauna     
IntroMillipedesCentipedesPaleozoic FossilsDifferencesCongressesReferencesMyriapodologists-DeceasedMyriapodologists-LivingPhoto GalleryAlaska & Northwestern CanadaBiogeographyEvolutionary Diagrams
 

Chordeumatida: Caseyidae. Vasingtona irritans (Chamberlin, 1910). North America, USA, Washington, Thurston Co., Capitol State Forest. Photo courtesy of W. P. Leonard.

Opiona columbiana Chamberlin, female from Wrangell I., AK. First AK record of the genus; range extension of >600 mi from present northern limit, Vancouver, BC. Expedition to Alaska sponsored by National Geographic Society. Photo by A.E. Bogan.

 

 

 

 

 

Chordeumatida: Caseyidae. Vasingtona irritans (Chamberlin, 1910) mating pair. North America, USA, Washington, Thurston Co., Olympia. Photo courtesy of W.P. Leonard.

 

 

 

 

 

 

 

Chordeumatida: Caseyidae. Vasingtona irritans (Chamberlin, 1910) mating pair. North America, USA, Washington, Thurston Co., Olympia. Photo courtesy of W.P. Leonard.

 

 

 

 

 

 

Chordeumatida: Caseyidae. Vasingtona irritans (Chamberlin, 1910) mating pair. North America, USA, Washington, Thurston Co., Olympia. Photo courtesy of W.P. Leonard.

 

 

 

 

 

 

 

 

 
IntroMillipedesCentipedesPaleozoic FossilsDifferencesCongressesReferencesMyriapodologists-DeceasedMyriapodologists-LivingPhoto GalleryAlaska & Northwestern CanadaBiogeographyEvolutionary Diagrams