The Myriapoda (Millipedes, Centipedes) Featuring the North American Fauna     
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Nyssodesmus ?python (Peters, 1864). Central America, Costa Rica.

Barydesmus sp. South America, Peru. Photo courtesy of P. Wittman.

 

Barydesmus sp. , mating pair. South America, Peru. Photo courtesy of P. Wittman.

Phyodesmus sp. Asia, Eastern Malaysia, Sarawak. Photo courtesy of N. Messina.

?Acanthodesmus sp. Asia, Eastern Malaysia, Sabah. Photo courtesy of "©Fletcher & Baylis."

Platyrhacus sp. Asia, Vietnam, ? Prov., Bach Ma National Park. Photo courtesy of W. Vandevender.

Platyrhacus ?similis Golovatch & Nguyen Duc Anh, 2007. Asia, Vietnam, Kontum Prov. Photo courtesy of W. Vandevender.

Phyodesmus magnificus. Asia, East Malaysia, Sarawak. Photo by D. Martinez-Torres.

Barydesmus sp., abnormal male with malformed, extraneous gonopod, arising from aperture, replacing left leg 4; left gonopod dissected. Note gonapophyses (openings of vasa deferentia) on 2nd legs. South America. Photo by D. Martinez-Torres.

Aborted, malformed, extraneous gonopod, lateral view. Photo by D. Martinez-Torres.

Tirodesmus sp., midbody area showing segmental abnormality with right and left paranota of same segment separated by two complete segments, causing body distortion in this region. Photo by D. Martinez-Torres.

Tirodesmus fimbriatus (Peters, 1864). Central America, Costa Rica, Heredia Prov. Photo by D. Martinez-Torres.

Tirodesmus fimbriatus (Peters, 1864). Central America, Panama, Chiriqui Prov. Photo by D. Martinez-Torres.

Barydesmus sp. South America, Peru, Loreto. Photo by D. Martinez-Torres.

Barydesmus sp. South America, Peru, Loreto. Photo by D. Martinez-Torres.

Barydesmus sp. South America, Ecuador. Photo by D. Martinez-Torres.

Barydesmus sp. South America, Peru, Loreto. Photo by D. Martinez-Torres.

Barydesmus sp. South America, Peru, Loreto. Photo by D. Martinez-Torres.

Barydesmus sp. South America, Ecuador, Quito. Photo by D. Martinez-Torres.

Barydesmus sp. South America, Colombia, Amazonas. Photo by D. Martinez-Torres.

Barydesmus ?contayus. South America, Peru, Loreto. Photo by D. Martinez-Torres.

Barydesmus ?chapini. South America, Peru, Loreto. Photo by D. Martinez-Torres.

Gonopods, medial views. Comparison of, l-r,  1 sp. of Tirodesmus and 2 of Barydesmus. Photo by D. Martinez-Torres.

Proaspis aitia Loomis, 1941; gonopod, medial view. Greater Antilles, Hispaniola, Haiti, Sud Dept., Les Cayes Arrondissement, Parc National de Macaya. Photo by D. Martinez-Torres.

 

 

 

 

Nyssodesmus ?python (Peters, 1864). Central America, Costa Rica.

Barydesmus sp. in coil. South America, Peru. Photo courtesy of P. Wittman.

Platyrhacus macroporus adult. Oceania, Palau, Babeldaob. Photo courtesy of Z. Korsos. http://www.facebook.com/profile.php?id=1776455888#!/media/set/?set=a.2745868420376.129246.1667514442&type=3

Barydesmus sp. ("Kankanich" to Wampis/Jivaroan native people). South America, Peru, Amazonas/ Loreto, Kampankis Mts. Photo by K. Swierk.

Phyodesmus magnificus showing ozopores and surrounding rings. Asia, East Malaysia, Sarawak. Photo by D. Martinez-Torres.

Close up of the "half-aperture" for the extraneous gonopod. Photo by D. Martinez-Torres.

Medial view showing cannula and prostatic groove.

Psammodesmus sp. South America, Ecuador, Pastaza. Photo by D. Martinez-Torres.

Psammodesmus sp. gonopods in situ. S. America, Ecuador, Pastaza. Photo by D. Martinez-Torres.

 

Psammodesmus fasciolatus, gonopod, medial view. South America, Ecuador. Photo by D. Martinez-Torres.

 

Tirodesmus sp., gonopod, medial view. S. America, Peru, Madre de Dios. Photo by D. Martinez-Torres.

Tirodesmus sp., telopodite, medial view. S. America, Peru, Madre de Dios. Photo by D. Martinez-Torres.

Barydesmus ?chapini, gonopod, medial view. South America, Peru, Loreto. Photo by D. Martinez-Torres.

Barydesmus loretus, gonopod, medial view. South America, Peru, Loreto. Photo by D. Martinez-Torres.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Nyssodesmus ?python. Central America, Costa Rica, Monteverde Cloud Forest Reserve. Photo by Dave Mangham/www.wildlifephotos.org.uk

Barydesmus sp. South America, Peru. Photo courtesy of P. Wittman.

?Acanthodesmus sp. Asia, Eastern Malaysia, Sabah. Photo courtesy of N. Messina.

Barydesmus sp., mating pair, heads to left. South America, Peru, Madre de Dios, Tambopata, Reserva Amazonica. Photo courtesy of P. Wittman.

Psammodesmus bryophorus Hoffman, Martinez, & Flores, 2011, with greem moss on dorsum. South America, Colombia, Nariño Dept., Ñampbi Reserve. Photo by C. Martinez.

Amnestorhacus ologonus (Silvestri, 1898), mating pair. South America, Colombia, Meta Dept. Photo courtesy of D. Martinez-Torres.

Phyodesmus magnificus. gonopod medial view. Asia, East Malaysia, Sarawak. Photo by D. Martinez-Torres

Nannorrhacus luciae (Pocock, 1895); gonopod, medial view. Lesser Antilles, St. Lucia. Photo by D. Martinez-Torres.

Nannorrhacus luciae (Pocock, 1895); gonopod, lateral view. Lesser Antilles, St. Lucia. Photo by D. Martinez-Torres.

Nannorrhacus luciae (Pocock, 1895); gonopod, telopodal apex. Lesser Antilles, St. Lucia. Photo by D. Martinez-Torres.

Psammodesmus ?moyobambus, distal extremity of gonopod, medial view. South America, Colombia, Choco Dept. Photo by D. Martinez-Torres.

Psammodesmus spp., comparison of dorsal tuberculations. South America. Photo by D. Martinez-Torres.

Psammodesmus spp., epiproct comparison, note linear setae/spinnerets especially on left one. South America. Photo by D. Martinez-Torres.

Psammodesmus sp., distal extremity of gonopod, medial view. South America. Photo by D. Martinez-Torres.

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Psammodesmus fasciolatus. South America, Ecuador. Photo by D. Martinez-Torres.

Psammodesmus ?moyobambus, gonopod, medial view. South America, Ecuador, Pastaza Dept. Photo by D. Martinez-Torres.

Barydesmus sp., gonopod, medial view. South America, Peru, Loreto. Photo by D. Martinez-Torres.

Barydesmus ?contayus, gonopod, medial view. South America, Peru, Loreto. Photo by D. Martinez-Torres.

 

 

 

Barydesmus sp. South America, Peru, Loreto Prov., Iquitos. Photo courtesy of C.L. Hogue.

Barydesmus sp. South America, Peru. Photo courtesy of P. Wittman.

Hoplurorhachis sp. Asia, Eastern Malaysia,  Sabah. Photo courtesy of N. Messina.

Platyrhacus macroporus immature. Oceania, Palau, Babeldaob. Photo courtesy of Z. Korsos. http://www.facebook.com/profile.php?id=1776455888#!/media/set/?set=a.2745868420376.129246.1667514442&type=3

Barydesmus sp., mating pair in coil, heads to left. South America, Peru, Madre de Dios, Tambopata, Reserva Amazonica. Photo courtesy of P. Wittman.

Rhyphodesmus drurii (Gray, 1832). South America, Guyana. Photo by D. Martinez-Torres.

Rhyphodesmus drurii (Gray, 1832), gonopod lateral view. South America, Guyana. Photo by D. Martinez-Torres.

Rhyphodesmus drurii (Gray, 1832), gonopod medial view. South America, Guyana. Photo by D. Martinez-Torres.

Nyssodesmus ?python (Peters, 1864)Central America, Costa Rica. Photo by D. Martinez-Torres.

Nyssodesmus ?python (Peters, 1864)gonopod, medial view. Central America, Costa Rica. Photo by D. Martinez-Torres.

Nyssodesmus ?python (Peters, 1864)distal extremity of telopodite, lateral view. Central America, Costa Rica. Photo by D. Martinez-Torres.

Nyssodesmus ?python (Peters, 1864)gonopod, lateral view. Central America, Costa Rica. Photo by D. Martinez-Torres.

Psammodesmus sp., gonopod, medial view. South America. Photo by D. Martinez-Torres.

Psammodesmus moyobambus. South America, Colombia, Choco Dept. Photo by D. Martinez-Torres.

Psammodesmus sp. South America, Colombia, Amazonas Dept. Photo by D. Martinez-Torres.

Barydesmus sp. gonopod, medial view. South America, Ecuador. Photo by D. Martinez-Torres.

Barydesmus ?loretus. South America, Peru, Loreto. Photo by D. Martinez-Torres.

Barydesmus ?chapini, distal end of telopodite, lateral view. South America, Ecuador. Photo by D. Martinez-Torres.

Gonopods, medial views. Comparison of, l-r, spp. of Barydesmus, Tirodesmus, & Psammodesmus. Photo by D. Martinez-Torres.

 

 

 

 

 
IntroMillipedesCentipedesPaleozoic FossilsDifferencesCongressesReferencesMyriapodologists-DeceasedMyriapodologists-LivingPhoto GalleryAlaska & Northwestern CanadaBiogeographyEvolutionary Diagrams