You are here » home search results Heloderma exasperatum

Heloderma exasperatum BOGERT & MARTIN DEL CAMPO, 1956

Can you confirm these amateur observations of Heloderma exasperatum?

Add your own observation of
Heloderma exasperatum »

We have no photos, try to find some by Google images search: Google images

Higher TaxaHelodermatidae, Platynota, Anguimorpha, Sauria, Squamata (lizards)
Common NamesE: Río Fuerte Beaded Lizard
G: Río Fuerte-Krustenechse
S: Escorpion del Río Fuerte 
SynonymHeloderma horridum exasperatum BOGERT & MARTIN DEL CAMPO 1956: 28
Heloderma horridum exasperatum — HARDY 1969: 151
Heloderma horridum exasperatum — REISINGER 2006
Heloderma exasperatum — REISERER et al. 2013
Heloderma horridum exasperatum — LEMOS-ESPINAL et al. 2015
Heloderma exasperatum — SCHUETT & REISERER 2017
Heloderma exasperatum — LEMOS-ESPINAL et al. 2019 
DistributionMexico (S Sonora, SW Chihuahua).

Type locality: “near the village of Guirocoba [...] in the fothills of the Sierra Madre Occidental near the extreme southeastern corner of the state of Sonora”  
TypesHolotype: AMNH 63699, adult male, collected by John W. Hilton 1941. 
DiagnosisDiagnosis: see Bogert & Martin del Campo 1956: 28. 

Distribution: for a map see Reiserer et al. 2013: Fig. 7. Not in Sinaloa (Lemos-Espinal & Smith 2020). 
  • Aminetzach, Y.T. et al. 2009. Convergent Evolution of Novel Protein Function in Shrew and Lizard Venom. Current Biology 19 (22): 1925-1931 - get paper here
  • Angeli, S.L. 2005. Beaded Dragon. Reptile Care (9): 36-39
  • Ariano-Sanchez, D. & Salazar, G. 2012. Heloderma horridum charlesbogarti (Guatemalan beaded lizard) shelter use. Herpetological Review 43: 645-646 - get paper here
  • Ariano-Sanchez, Daniel and Gilberto Salazar. 2013. Heloderma horridum charlesbogerti (Guatemalan beaded lizard) wild reproductive ecology. Herpetological Review 44 (2): 324 - get paper here
  • Ariano-Sánchez, Daniel and Gilberto Salazar. 2015. Spatial ecology of the endangered Guatemalan Beaded Lizard, Heloderma charlesbogerti (Sauria: Helodermatidae), in a tropical dry forest of the Motagua Valley, Guatemala. Mesoamerican Herpetology 2 (1): 64–74 - get paper here
  • Augstenová, Barbora, Eleonora Pensabene, Lukáš Kratochvíl, and Michail Rovatsos. 2021. Cytogenetic Evidence for Sex Chromosomes and Karyotype Evolution in Anguimorphan Lizards. Cells 10, no. 7: 1612 - get paper here
  • Bañuelos-Alamillo, Jorge A., Rubén A. Carbajal-Márquez, Gustavo E. Quintero-Díaz and Gabriela Moreno-Ochoa. 2015. Geographic Distribution: Heloderma horridum (Mexican beaded lizard). Herpetological Review 46 (3): 383 - get paper here
  • Beck, D.D. 1989. Helodermatids - ecology and energetics of beaded lizards: the gracefulness of being sluggish. Tucson Herpetological Society Newsletter 2(3):17-22.
  • Beck, D.D. 2005. Biology of Gila Monsters and Beaded Lizards. University of California Press, xii + 211 pp. - get paper here
  • Bogert, C. M., & MARTÍN DEL CAMPO, R. 1956. The gila monster and its allies. Bull. Amer. Mus. Nat. Hist. 109:1-238. - get paper here
  • Boulenger, G.A. 1885. Catalogue of the lizards in the British Museum (Natural History). Vol. 2, Second edition. London, xiii+497 pp. - get paper here
  • Campbell,J.A. & VANNINI,J.P. 1988. A new subspecies of beaded lizard, Heloderma horridum, from the Motagua Valley of Guatemala. Journal of Herpetology 22 (4): 457-468 - get paper here
  • Casas-Andreu, G., F.R. Méndez-De la Cruz and X. Aguilar-Miguel. 2004. Anfibios y Reptiles; pp. 375–390, in A.J.M. García-Mendoza, J. Ordoñez and M. Briones-Salas (ed.). Biodiversidad de Oaxaca. Instituto de Biología, UNAM-Fondo Oaxaqueño para la Conservación de la Naturaleza-World Wildlife Fund, México, D. F.
  • Castro Franco, R. & M. G. Bustos-Zagal 2003. Lagartijas de Morelos, México: distribución, hábitat y conservación. Acta Zoológica Mexicana (n.s.) 88:123-142 - get paper here
  • Castro-Franco, Rubén, María Guasalupe Bustos-Zagal 1994. List of reptiles of Morelos, Mexico, and their distribution in relation to vegetation types. Southwestern Naturalist 39 (2): 171-175 - get paper here
  • Cobarrubias, Edgar Flores; Daniel Cruz-Sáenz, and David Lazcano 2012. Notes on the Herpetofauna of Western Mexico 6: Amphibians and Reptiles of Hostotipaquillo, Jalisco, Mexico. Bull. Chicago Herp. Soc. 47 (2):21-26 - get paper here
  • Cooper Jr., William E. & John Arnett 2003. Correspondence between diet and chemosensory responsiveness by helodermatid lizards. Amphibia-Reptilia 24 (1): 86-91 - get paper here
  • Cooper, Taylor; Amanda Liew, Gabriel Andrle, Elisabeth Cafritz, Hannah Dallas, Trent Niesen, Emily Slater, Joseph Stockert, Taylor Vold, Michael Young & Joseph Mendelson 2019. Latency in Problem Solving as Evidence for Learning in Varanid and Helodermatid Lizards, with Comments on Foraging Techniques. Copeia 107 (1): 78-84 - get paper here
  • Douglas, Michael E.; Marlis R. Douglas, Gordon W. Schuett, Daniel D. Beck, Brian K. Sullivan 2010. Conservation phylogenetics of helodermatid lizards using multiple molecular markers and a supertree approach. Molecular Phylogenetics and Evolution 55 (1): 153-167 - get paper here
  • Duméril, A.M. C. and G. Bibron. 1836. Erpetologie Générale ou Histoire Naturelle Complete des Reptiles. Vol. 3. Libr. Encyclopédique Roret, Paris, 528 pp. - get paper here
  • Enderson, Erik F.; Thomas R. Van Devender, Robert L. Bezy 2014. Amphibians and reptiles of Yécora, Sonora and the Madrean Tropical Zone of the Sierra Madre Occidental in northwestern Mexico. Check List 10 (4): 913-926 - get paper here
  • Fischer, J. G. 1882. Anatomische Notizen über Heloderma horridum Wiegm. Verh. Ver. naturwiss. Unterhaltung Hamburg 5: 2-16. - get paper here
  • Furrer, S. 2004. Die erfolgreiche Nachzucht der Skorpionskrustenechse (Heloderma horridum exasperatum) im Zoo Zürich, Schweiz. Reptilia (Münster) 9 (49): 76-78 - get paper here
  • Garcia-Grajales, J., Bohorquez, R. A., Macias, M. A. P. and Silva, A. B. 2020. New records of Heloderma alvarezi (Wiegmann, 1829) (Sauria: Helodermatidae) on the coast of Oaxaca and increases to its distribution in Mexico. Journal of Threatened Taxa 12: 15495-15498. - get paper here
  • Gienger, C.M. & Beck, D.D. 2007. Heads or tails? Sexual dimorphism in helodermatid lizards. Can. J. Zool. 85: 92-98 - get paper here
  • Gienger, C.M., G.W. Johnson, M. McMillan, S. Sheldon, and C.R. Tracy. 2005. Timing of Hatching in Beaded Lizards (Heloderma horridum). Sonoran Herpetologist 18 (8):93-94. - get paper here
  • Gomez-Cruz, Aaron 2019. Termorregulación en el comportamiento de Heloderma horridum (Squamata:Helodermatidae) en cautiverio. Rev. Latinoamer. Herp. 2 (2): 41-46 - get paper here
  • Günther, A. C. L. G. 1885. Reptilia and Batrachia. Biologia Centrali-Américana. Taylor, & Francis, London, 326 pp. [published in parts from 1885-1902; reprint by the SSAR 1987] - get paper here
  • Hardy, L.M., & McDiarmid, R.W. 1969. The amphibians and reptiles of Sinaloa, Mexico. Univ. Kansas Publ. Mus. Nat. Hist. 18 (3): 39-252. - get paper here
  • Johnson, Jerry D.; Vicente Mata-Silva, Elí García Padilla, and Larry David Wilson 2015. The Herpetofauna of Chiapas, Mexico: composition, distribution, and conservation. Mesoamerican Herpetology 2 (3): 272–329. - get paper here
  • Jones, L.L. & Lovich, R.E. 2009. Lizards of the American Southwest. A photographic field guide. Rio Nuevo Publishers, Tucson, AZ, 568 pp. [review in Reptilia 86: 84] - get paper here
  • Köhler, G. 2000. Reptilien und Amphibien Mittelamerikas, Bd 1: Krokodile, Schildkröten, Echsen. Herpeton Verlag, Offenbach, 158 pp.
  • Köhler, G. 2008. Reptiles of Central America. 2nd Ed. Herpeton-Verlag, 400 pp.
  • Kunz, K. 2004. Schätze hinter den Kulissen: Vivarium und Sammlung des “Museo Nacional de Historia Natural” in Guatemala. Reptilia (Münster) 9 (45): 4-5 - get paper here
  • Kunz, K. 2006. Giftige Riesen vor dem Aus? REPTILIA-Projekt zum Schutz der Guatemala-Skorpionskrustenechse. Reptilia (Münster) 11 (58): 39-40 - get paper here
  • Kunz, K. 2007. Neuer Schutzstatus für Mohrenkaiman und Guatemala-Skorpionskrustenechse. Reptilia (Münster) 12 (66): 5 - get paper here
  • Loc-barragán J.A., D., Lazcano y G.A Woolrich-Piña. 2018. Notes on the Herpetofauna of Nayarit, Mexico 2: Amphibians and Reptiles of the Municipality of Compostela. Bulletin of the Chicago Herpetological Society 53(10): 205-212
  • Loc-Barragán, Jesús A., Juan Pablo Ramírez-Silva and Guillermo Woolrich-Piña. 2016. Heloderma horridum (Weigmann, 1829). Mexico, Nayarit. Mesoamerican Herpetology 3 (3): 766–767 - get paper here
  • Loc-Barragán, Jesús Alberto and David Lazcano 2018. Notes on the Herpetofauna of Nayarit, Mexico 1: Amphibians and Reptiles of the Municipality of Tecuala. Bulletin of the Chicago Herpetological Society 53(4):73-80
  • Loc-Barragán, Jesús A.; Zarah I. Sosa-Hernández, Christoph I. Grünwald, Emmanuel Miramontes-Medina, Jorge A. Bañuelos-Alamillo, Guillermo A. Woolrich-Piña and David Lazcano 2019. Notes on the Herpetofauna of Nayarit, Mexico 3: Amphibians and Reptiles of the Municipality of Huajicori. Bulletin of the Chicago Herpetological Society 54(10): 205-213 - get paper here
  • Luja VH, López JA, Cruz-Elizalde R, Ramírez-Bautista A 2017. Herpetofauna inside and outside from a natural protected area: the case of Reserva Estatal de la Biósfera Sierra San Juan, Nayarit, Mexico. Nature Conservation 21: 15-38 - get paper here
  • Mata-Silva, V, DeSantis DL, García-Padilla E, Johnson JD, Wilson LD. 2019. The endemic herpetofauna of Central America: a casualty of anthropocentrism. Amphibian & Reptile Conservation 13 (1) [General Section]: 1–64 (e168) - get paper here
  • Mata-Silva, Vicente, Jerry D. Johnson, Larry David Wilson and Elí García-Padilla. 2015. The herpetofauna of Oaxaca, Mexico: composition, physiographic distribution, and conservation status. Mesoamerican Herpetology 2 (1): 6–62 - get paper here
  • Mazzotti, Stefano; Danio Miserocchi 2010. Un modello di collezione erpetologica dei musei italiani: l’esempio del Museo di Storia Naturale di Ferrara. A herpetological collection model of the italian museums: the example of the Museo di Storia Naturale of Ferrara. Museologia Scientifica Memorie 2010 (5): 106-117
  • McDiarmid, Roy W. 1963. A collection of reptiles and amphibians from the highland faunal assemblage of western Mexico. Contributions in Science (68): 1-15
  • Mead, Jim I.; Sharon Holte, Richard S. White, and Robert McCord 2015. Early Pleistocene (Blancan) Helodermatid Lizard from Arizona, USA. Journal of Herpetology Jun 2015, Vol. 49, No. 2: 295-301. - get paper here
  • Meléndez García, L.S. 2006. Die Guatemala-Skorpionskrustenechse, Heloderma horridum charlesbogerti CAMPBELL & VANNINI 1998. Reptilia (Münster) 11 (58): 36-38 - get paper here
  • Palacios-Aguilar, Ricardo & OSCAR FLORES-VILLELA 2018. An updated checklist of the herpetofauna from Guerrero, Mexico. Zootaxa 4422 (1): 1-24 - get paper here
  • RADOVANOVIC, ADAM 2014. Captive husbandry and management of the Rio Fuerte beaded lizard Heloderma exasperatum. Herpetological Bulletin (130) - get paper here
  • Reiserer RS, Schuett GW, Beck DD. 2013. Taxonomic reassessment and conservation status of the beaded lizard, Heloderma horridum (Squamata: Helodermatidae). Amphibian & Reptile Conservation 7 (1): 74–96 (
  • Reisinger, M. 2006. The Rio Fuerte Beaded Lizard Heloderma horridum exasperatum. Reptilia (GB) (47): 25-33 - get paper here
  • Reisinger, M. 2006. Die erfolgreiche und kontinuierliche Nachzucht der Skorpions-Krustenechse Heloderma horridum exasperatum. Reptilia (Münster) 11 (58): 26-35 - get paper here
  • Schmidt, Karl P.;Shannon, Frederick A. 1947. Notes on amphibians and reptiles of Michoacan, Mexico. Zoological Series of Field Museum of Natural History 31 (9): 63-85
  • Schuett, G.W. & Reiserer, R.S. 2017. Sampling localities and corresponding haplotype data for helodermatid lizards analyzed in Douglas et al. (2010). Herpetological Review 48 (4): 798-801 - get paper here
  • Smith, H.M. 1935. Miscellaneous notes on Mexican lizards. Univ. Kansas Sci. Bull. 22: 119-156 - get paper here
  • Stebbins,R.C. 1985. A Field Guide to Western Reptiles and Amphibians, 2nd ed. Houghton Mifflin, Boston
  • Sumichrast, F. 1864. Note on the habits of some Mexican reptiles. Ann. Mag. Nat. Hist. (3) 13: 497-507 - get paper here
  • Taylor, E.H. 1969. Wiegmann and the herpetology of Mexico. SSAR, Facsimile Reprint in Herpetology 12: iii-vi.
  • Valdez-Lares, R.; R. Muñiz-Martínez; E.Gadsden; G. Aguirre-León; G. Castañeda-Gaytán; R. Gonzalez-Trápaga 2013. Checklist of amphibians and reptiles of the state of Durango, México. Check List 9 (4):714-724 - get paper here
  • Wiegmann,A.F.A. 1829. Über die Gesetzlichkeit in der geographischen Verbreitung der Saurier. Isis von Oken 22 (3-4): 418-428 - get paper here
  • Wiegmann,A.F.A. 1834. Herpetologia Mexicana, seu descriptio amphibiorum novae hispaniae , quae itineribus comitis de Sack, Ferdinandi Deppe et Chr. Guil. Schiede im Museum Zoologicum Berolinense Pervenerunt. Pars prima, saurorum species. Berlin, Lüderitz, iv + 54 pp. - get paper here
  • Wilms, T. 2006. Beaded Lizards and Gila Monsters: The genus Heloderma. Reptilia (GB) (47): 12-18 - get paper here
  • Wilms, T. 2006. Krustenechsen - die Gattung Heloderma. Reptilia (Münster) 11 (58): 18-25 - get paper here
  • Woolrich-Piña, Guillermo A, Paulino Ponce-Campos, Jesús Loc-Barragán, Juan Pablo Ramírez-Silva, Vicente Mata-Silva, Jerry D. Johnson, Elí García-Padilla and Larry David Wilson. 2016. The herpetofauna of Nayarit, Mexico: composition, distribution, and conservation status. Mesoamerican Herpetology 3 (2): 376-448 - get paper here
External links  
Is it interesting? Share with others:

As link to this species use URL address:

without field 'search_param'. Field 'search_param' is used for browsing search result.

Please submit feedback about this entry to the curator