![](images/P/Prionus_mexicanus_(syntype)_Bates_BMNH_JAC.jpg)
Specimen Type: syntype Sex: m Institution: BMNH British Museum Natural History, London, UK Photographer: John Chemsak 18312
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![](images/P/Prionus_mexicanus_(syntype)_(m)_(f)_Bates_BMNH_Hespenheide_FTH.jpg)
Specimen Type: syntype Sex: mf Institution: BMNH British Museum Natural History, London, UK Photographer: Henry Hespenheide 18313
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![](images/P/Prionus_curticollis_(h-m)_Casey_USNM_Meadow_Valley_Sierra_Madre_Mtns_Chih_Mex.jpg)
Prionus curticollis Casey Specimen Type: holotype Sex: m Institution: NMNH United States National Museum, Washington, DC, USA Collection Location: Meadow Valley, Sierra Madre Mtns, Chihuahua, Mexico 26438
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![](images/P/Prionus_curticollis_labels_(h-m)_Casey_USNM_Meadow_Valley_Sierra_Madre_Mtns_Chih_Mex.jpg)
Prionus curticollis Casey Specimen Type: holotype Sex: m Institution: NMNH United States National Museum, Washington, DC, USA Collection Location: Meadow Valley, Sierra Madre Mtns, Chihuahua, Mexico 26439
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![](images/P/Prionus_townsendi_(h-f)_Casey_USNM.jpg)
Prionus townsendi Casey Specimen Type: holotype Sex: f Institution: NMNH United States National Museum, Washington, DC, USA 26502
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![](images/P/Prionus_townsendi_labels_(h-f)_Casey_USNM.jpg)
Prionus townsendi Casey Specimen Type: holotype Sex: f Institution: NMNH United States National Museum, Washington, DC, USA 26503
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![](images/P/Prionus_(Prionus)_mexicanus_(m-dorsal)_SS.jpg)
Sex: m Photographer: Antonio Santos-Silva 53486
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![](images/P/Prionus_(Prionus)_mexicanus_(m-vent)_SS.jpg)
Sex: m Photographer: Antonio Santos-Silva 53487
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![](images/P/Prionus_(Prionus)_mexicanus_(f-dorsal)_SS.jpg)
Sex: f Photographer: Antonio Santos-Silva 53488
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![](images/P/Prionus_(Prionus)_mexicanus_(f-vent)_SS.jpg)
Sex: f Photographer: Antonio Santos-Silva 53489
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![](images/P/Prionus_mexicanus (f) Casey MZSP Durango, Mexico SS.jpg)
Sex: f Institution: MZSP Museu de Zoologia da Universidade de São Paulo, Brazil Photographer: Antonio Santos-Silva Collection Location: Durango, Mexico 89510
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![](images/P/Prionus_mexicanus (f-vent) Casey MZSP Durango, Mexico SS.jpg)
Sex: f Institution: MZSP Museu de Zoologia da Universidade de São Paulo, Brazil Photographer: Antonio Santos-Silva Collection Location: Durango, Mexico 89511
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