Heloderma exasperatum

Rio Fuerte beaded lizard[1]
Conservation status
	CITES Appendix II (CITES)
	; Least Concern (IUCN 3.1)[2]
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Reptilia
Order:	Squamata
Family:	Helodermatidae
Genus:	Heloderma
Species:	H. exasperatum
Binomial name
	Heloderma exasperatum; Bogert & Martin Del Campo, 1956
Synonyms
	Heloderma horridum exasperatum

The Rio Fuerte beaded lizard (Heloderma exasperatum) is a venomous species of beaded lizard in the family Helodermatidae. It is found in the tropical forests and shrublands of Western Mexico, specifically around the Rio Fuerte and Rio Mayo basins. They are often found in or near abandoned mammal burrows and sources of water.[3][4]

Description

Adult beaded lizards range from 60 to 90 cm (23.6 to 35.4 in) in length. They can weigh up to 4,000 grams (8.8 lb). It is very similar to the Mexican beaded lizard in appearance and size.[4]

Taxonomy

The Rio Fuerte beaded lizard is a member of the family Helodermatidae. It was formerly considered a subspecies of the Mexican beaded lizard, whom which is its closest living relative, but has been elevated to full species status in 2013.[5]

Etymology

The generic name, Heloderma, means "studded skin", from the Ancient Greek words hêlos (ηλος), meaning "the head of a nail or stud", and derma (δερμα), meaning "skin".

The specific name, exasperatum, means "completely rough" in Latin.[4]

References

"Heloderma exasperatum ". Integrated Taxonomic Information System. Retrieved 10 May 2021.
Beck, D.; Flores-Villela, O. (2021). "Heloderma exasperatum". IUCN Red List of Threatened Species. 2021: e.T181151831A181151949. Retrieved 12 November 2021.
"Rio Fuerte Beaded Lizard". Lincoln Park Zoo.
Mazza, Giuseppe (October 28, 2012). "Heloderma exasperatum".
"(PDF) Taxonomic reassessment and conservation status of the beaded lizard, Heloderma horridum (Squamata: Helodermatidae)". Researchgate.net. doi:10.1186/1471-2148-13-93. Retrieved 2021-05-11.

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[itis-1] "Heloderma exasperatum ". Integrated Taxonomic Information System. Retrieved 10 May 2021.

[iucn_status_12_November_2021-2] Beck, D.; Flores-Villela, O. (2021). "Heloderma exasperatum". IUCN Red List of Threatened Species. 2021: e.T181151831A181151949. Retrieved 12 November 2021.

[3] "Rio Fuerte Beaded Lizard". Lincoln Park Zoo.

[monaco-4] Mazza, Giuseppe (October 28, 2012). "Heloderma exasperatum".

[5] "(PDF) Taxonomic reassessment and conservation status of the beaded lizard, Heloderma horridum (Squamata: Helodermatidae)". Researchgate.net. doi:10.1186/1471-2148-13-93. Retrieved 2021-05-11.