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Heloderma  Wiegmann, 1829
Taxonomic Serial No.: 174112

(Download Help) Heloderma TSN 174112

 Taxonomy and Nomenclature
  Kingdom: Animalia  
  Taxonomic Rank: Genus  
  Common Name(s): Beaded Lizards [English]
    Gila Monsters [English]
  Taxonomic Status:    
  Current Standing: valid  
  Data Quality Indicators:    
  Record Credibility Rating: verified - standards met  
  Global Species Completeness: complete   
  Latest Record Review: 2014   

 Taxonomic Hierarchy
 KingdomAnimalia  – Animal, animaux, animals  
          PhylumChordata  – cordés, cordado, chordates  
             SubphylumVertebrata  – vertebrado, vertébrés, vertebrates  
                      ClassReptilia Laurenti, 1768 – répteis, reptiles, Reptiles  
                         OrderSquamata Oppel, 1811 – Amphisbaenians, Lizards, Snakes, amphisbènes, lézards, serpents  
                               FamilyHelodermatidae Gray, 1837 – Venomous Lizards, Beaded Lizards, Gila Monsters  
                                  GenusHeloderma Wiegmann, 1829 – Beaded Lizards, Gila Monsters  
    Direct Children:  
                                     Species Heloderma alvarezi Bogert and Martín del Campo, 1956 – Black Beaded Lizard, Chiapan Beaded Lizard 
                                     Species Heloderma charlesbogerti Campbell and Vannini, 1988 – Montagua Valley Beaded Lizard, Guatemalan Beaded Lizard 
                                     Species Heloderma exasperatum Bogert and Martín del Campo, 1956 – Rio Fuerte Beaded Lizard 
                                     Species Heloderma horridum (Wiegmann, 1829) – Mexican Beaded Lizard, Beaded Lizard, Lagarto enchaquirado 
                                     Species Heloderma suspectum Cope, 1869 – Gila Monster, Lagarto de Gila 

  Expert: Roy W. McDiarmid  
  Notes: U.S. Geological Survey, Biological Resources Division, Patuxent Wildlife Research Center   
  Reference for: Heloderma    
  Other Source(s):    
  Source: Checklist of CITES species: Index of CITES species, document (version 2013)  
  Acquired: 2013   
  Notes: UNEP-WCMC (Comps.) 2013. Checklist of CITES species. CITES Secretariat, Geneva, Switzerland, and UNEP-WCMC, Cambridge, United Kingdom. Available online at   
  Reference for: Heloderma   
  Source: Comisión Nacional para el Conocimiento y Uso de la Biodiversidad, database (version undefined)  
  Acquired: 2000   
  Notes: CONABIO: (   
  Reference for: Heloderma   
  Source: NODC Taxonomic Code, database (version 8.0)  
  Acquired: 1996   
  Reference for: Heloderma   
  Author(s)/Editor(s): Banks, R. C., R. W. McDiarmid, and A. L. Gardner  
  Publication Date: 1987   
  Article/Chapter Title: Checklist of Vertebrates of the United States, the U.S. Territories, and Canada   
  Journal/Book Name, Vol. No.: Resource Publication, no. 166   
  Page(s): 79   
  Publisher: United States Department of the Interior Fish and Wildlife Service   
  Publication Place: Washington, D.C., USA   
  Reference for: Heloderma   
  Author(s)/Editor(s): Crother, Brian I., Jeff Boundy, Frank T. Burbrink, Jonathan A. Campbell, Kevin de Queiroz, et al.  
  Publication Date: 2012   
  Article/Chapter Title: Scientific and standard English names of amphibians and reptiles of North America north of Mexico, with comments regarding confidence in our understanding, Seventh Ed.   
  Journal/Book Name, Vol. No.: Herpetological Circular, no. 39   
  Page(s): 1-92   
  Publisher: Society for the Study of Amphibians and Reptiles   
  Publication Place: Shoreview, Minnesota, USA   
  ISBN/ISSN: 9780916984854   
  Notes: Available free as a PDF at   
  Reference for: Heloderma   
  Author(s)/Editor(s): Douglas, Michael E., Marlis R. Douglas, Gordon W. Schuett, Daniel D. Beck, and Brian K. Sullivan  
  Publication Date: 2010   
  Article/Chapter Title: Conservation phylogenetics of helodermatid lizards using multiple molecular markers and a supertree approach   
  Journal/Book Name, Vol. No.: Molecular Phylogenetics and Evolution, vol. 55, no. 1   
  Page(s): 153-167   
  Publication Place:    
  ISBN/ISSN: 1055-7903   
  Notes: DOI:10.1016/j.ympev.2009.12.009 ; available online at   
  Reference for: Heloderma   
  Author(s)/Editor(s): Flores-Villela, Oscar / McCoy, C. J., ed.  
  Publication Date: 1993   
  Article/Chapter Title: Herpetofauna Mexicana: Lista anotada de las especies de anfibios y reptiles de México, cambios taxonómicos recientes, y nuevas especies   
  Journal/Book Name, Vol. No.: Carnegie Museum of Natural History Special Publication, no. 17   
  Page(s): iv + 73   
  Publisher: Carnegie Museum of Natural History   
  Publication Place: Pittsburgh, Pennsylvania, USA   
  ISBN/ISSN: 0-911239-42-1   
  Reference for: Heloderma   
  Author(s)/Editor(s): Reiserer, Randall S., Gordon W. Schuett, and Daniel D. Beck  
  Publication Date: 2013   
  Article/Chapter Title: Taxonomic reassessment and conservation status of the beaded lizard, Heloderma horridum (Squamata: Helodermatidae)   
  Journal/Book Name, Vol. No.: Amphibian & Reptile Conservation, vol. 7, no. 1   
  Page(s): 74-96   
  Publication Place:    
  ISBN/ISSN: 1525-9153   
  Notes: Hardcopy ISSN 1083-446X. Available online at   
  Reference for: Heloderma   

 Geographic Information
  Geographic Division:    



  Comment: CITES: Appendix II except the subspecies included in Appendix I, per 2013 Checklist of CITES species: Index of CITES species published with amendments to the Appendices and changes in standard scientific nomenclature following the 16th meeting of the Conference of the Parties (Bangkok, 2013). For current status see  



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Disclaimer: ITIS taxonomy is based on the latest scientific consensus available, and is provided as a general reference source for interested parties. However, it is not a legal authority for statutory or regulatory purposes. While every effort has been made to provide the most reliable and up-to-date information available, ultimate legal requirements with respect to species are contained in provisions of treaties to which the United States is a party, wildlife statutes, regulations, and any applicable notices that have been published in the Federal Register. For further information on U.S. legal requirements with respect to protected taxa, please contact the U.S. Fish and Wildlife Service.

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