Tropidurus helenae

Tropidurus helenae
Conservation status
	; Least Concern (IUCN 3.1)
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Reptilia
Order:	Squamata
Suborder:	Iguania
Family:	Tropiduridae
Genus:	Tropidurus
Species:	T. helenae
Binomial name
	Tropidurus helenae; (Manzani & Abe, 1990)
Synonyms
	Tapinurus helenae; Manzani & Abe, 1990; Tropidurus helenae; — Frost, 1992;

Last updated October 06, 2025

Tropidurus helenae is a species of lizard in the family Tropiduridae.^[2] The species is native to northeastern Brazil.^[2]

Etymology

The specific name, helenae, is in honor of Brazilian herpetologist Helena Ribas Lopes.^[3]

Geographic range

T. helenae is endemic to the Brazilian state of Piauí.^[1]

Habitat

The preferred natural habitat of T. helenae is savanna.^[1]

Description

The holotype of T. helenae has a snout-to-vent length (SVL) of 7.0 cm (2.8 in), plus a tail length of 12.2 cm (4.8 in).^[1]

Behavior

T. helenae is terrestrial, diurnal, and saxicolous (rock-dwelling).^[1]

Diet

T. helenae preys upon termites.^[1]

Reproduction

T. helenae is oviparous.^[2]

References

1 2 3 4 5 6 Colli, G.R.; Fenker, J.; Tedeschi, L.; Bataus, Y.S.L.; Uhlig, V.M.; Lima, A.; Nogueira, C. de C.; Borges-Nojosa, D.M.; Costa, G.C.; de Moura, G.J.B.; Winck, G.; Silva, J.R.S.; Viñas, L.V.; Ribeiro Júnior, M.A.; Hoogmoed, M.S.; Tinôco, M.S.T.; Almeida-Santos, P.; Valadão, R.; de Oliveira, R.B.; Avila-Pires, T.C.S.; Ferreira, V.L.; de Menezes, V.A. (2021). "Tropidurus helenae". IUCN Red List of Threatened Species . 2021 e.T49845566A159255198. Retrieved 16 December 2021. (in Portuguese).
1 2 3 4 Tropidurus helenae at the Reptarium.cz Reptile Database . Accessed 5 April 2022.
↑ Beolens B, Watkins M, Grayson M (2011). The Eponym Dictionary of Reptiles. Baltimore: Johns Hopkins University Press. xiii + 296 pp. ISBN 978-1-4214-0135-5. (Tropidurus helenae, p. 120).

Frost DR (1992). "Phylogenetic analysis and taxonomy of the Tropidurus group of lizards (Iguania: Tropiduridae)". American Museum Novitates (3033): 1–68. (Tropidurus helenae, new combination).
Manzani PR, Abe AS (1990). "A New Species of Tapinurus from the Caatinga of Piaui, Northeastern Brazil (Squamata: Tropiduridae)". Herpetologica46 (4): 462–467. (Tapinurus helenae, new species).
Pianka ER, Vitt LJ (2003). Lizards: Windows to the Evolution of Diversity. Berkeley: University of California Press. 346 pp. ISBN 978-0520234017. (Tropidurus helenae, p. 165).
Uchôa, Lucas Rafael; Delfim, Fagner Ribeiro; Mesquita, Daniel Oliveira; Colli, Guarino Rinaldi; Garda, Adrian Antonio; Guedes, Thaís B. (2022). "Lizards (Reptilia: Squamata) from the Caatinga, northeastern Brazil: Detailed and updated overview". Vertebrate Zoology72: 599–659.

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[iucn_status_11_November_2021-1] 1 2 3 4 5 6 Colli, G.R.; Fenker, J.; Tedeschi, L.; Bataus, Y.S.L.; Uhlig, V.M.; Lima, A.; Nogueira, C. de C.; Borges-Nojosa, D.M.; Costa, G.C.; de Moura, G.J.B.; Winck, G.; Silva, J.R.S.; Viñas, L.V.; Ribeiro Júnior, M.A.; Hoogmoed, M.S.; Tinôco, M.S.T.; Almeida-Santos, P.; Valadão, R.; de Oliveira, R.B.; Avila-Pires, T.C.S.; Ferreira, V.L.; de Menezes, V.A. (2021). "Tropidurus helenae". IUCN Red List of Threatened Species . 2021 e.T49845566A159255198. Retrieved 16 December 2021. (in Portuguese).

[RDB-2] 1 2 3 4 Tropidurus helenae at the Reptarium.cz Reptile Database . Accessed 5 April 2022.

[3] Beolens B, Watkins M, Grayson M (2011). The Eponym Dictionary of Reptiles. Baltimore: Johns Hopkins University Press. xiii + 296 pp. ISBN 978-1-4214-0135-5. (Tropidurus helenae, p. 120).

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