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Heloderma exasperatum BOGERT & MARTIN DEL CAMPO, 1956

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Higher TaxaHelodermatidae, Platynota, Anguimorpha, Sauria, Squamata (lizards)
Subspecies 
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”  
Reproductionoviparous 
TypesHolotype: AMNH 63699, adult male, collected by John W. Hilton 1941. 
DiagnosisDiagnosis: Bogert & Martin del Campo 1956: 28. 
CommentVenomous!

Distribution: for a map see Reiserer et al. 2013: Fig. 7. Not in Sinaloa (Lemos-Espinal & Smith 2020). 
EtymologyFrom the Latin exasperātum meaning exasperated perhaps in reference to their defensive display. 
References
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